Merge pull request #4729 from Infisical/ENG-3958

docs: add EC2 terraform deployment docs for relay
This commit is contained in:
Andre
2025-10-24 19:40:34 -04:00
committed by GitHub
12 changed files with 161 additions and 628 deletions

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@@ -176,16 +176,14 @@
"pages": [
"documentation/platform/gateways/overview",
"documentation/platform/gateways/gateway-deployment",
"documentation/platform/gateways/relay-deployment",
"documentation/platform/gateways/security",
{
"group": "Gateway (Deprecated)",
"group": "Relay Deployment",
"pages": [
"documentation/platform/gateways-deprecated/overview",
"documentation/platform/gateways-deprecated/gateway-security",
"documentation/platform/gateways-deprecated/networking"
"documentation/platform/gateways/relay-deployment/overview",
"documentation/platform/gateways/relay-deployment/terraform"
]
}
},
"documentation/platform/gateways/security"
]
}
]

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---
title: "Gateway Security Architecture"
sidebarTitle: "Architecture"
description: "Understand the security model and tenant isolation of Infisical's Gateway"
---
# Gateway Security Architecture
The Infisical Gateway enables Infisical Cloud to securely interact with private resources using mutual TLS authentication and private PKI (Public Key Infrastructure) system to ensure secure, isolated communication between multiple tenants.
This document explains the internal security architecture and how tenant isolation is maintained.
## Security Model Overview
### Private PKI System
Each organization (tenant) in Infisical has its own private PKI system consisting of:
1. **Root CA**: The ultimate trust anchor for the organization
2. **Intermediate CAs**:
- Client CA: Issues certificates for cloud components
- Gateway CA: Issues certificates for gateway instances
This hierarchical structure ensures complete isolation between organizations as each has its own independent certificate chain.
### Certificate Hierarchy
```
Root CA (Organization Specific)
├── Client CA
│ └── Client Certificates (Cloud Components)
└── Gateway CA
└── Gateway Certificates (Gateway Instances)
```
## Communication Security
### 1. Gateway Registration
When a gateway is first deployed:
1. Establishes initial connection using machine identity token
2. Allocates a relay address for communication
3. Exchanges certificates through a secure handshake:
- Gateway receives a unique certificate signed by organization's Gateway CA along with certificate chain for verification
### 2. Mutual TLS Authentication
All communication between gateway and cloud uses mutual TLS (mTLS):
- **Gateway Authentication**:
- Presents certificate signed by organization's Gateway CA
- Certificate contains unique identifiers (Organization ID, Gateway ID)
- Cloud validates complete certificate chain
- **Cloud Authentication**:
- Presents certificate signed by organization's Client CA
- Certificate includes required organizational unit ("gateway-client")
- Gateway validates certificate chain back to organization's root CA
### 3. Relay Communication
The relay system provides secure tunneling:
1. **Connection Establishment**:
- Uses QUIC protocol over UDP for efficient, secure communication
- Provides built-in encryption, congestion control, and multiplexing
- Enables faster connection establishment and reduced latency
- Each organization's traffic is isolated using separate relay sessions
2. **Traffic Isolation**:
- Each gateway gets unique relay credentials
- Traffic is end-to-end encrypted using QUIC's TLS 1.3
- Organization's private keys never leave their environment
## Tenant Isolation
### Certificate-Based Isolation
- Each organization has unique root CA and intermediate CAs
- Certificates contain organization-specific identifiers
- Cross-tenant communication is cryptographically impossible
### Gateway-Project Mapping
- Gateways are explicitly mapped to specific projects
- Access controls enforce organization boundaries
- Project-level permissions determine resource accessibility
### Resource Access Control
1. **Project Verification**:
- Gateway verifies project membership
- Validates organization ownership
- Enforces project-level permissions
2. **Resource Restrictions**:
- Gateways only accept connections to approved resources
- Each connection requires explicit project authorization
- Resources remain private to their assigned organization

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---
title: "Networking"
description: "Network configuration and firewall requirements for Infisical Gateway"
---
The Infisical Gateway requires outbound network connectivity to establish secure communication with Infisical's relay infrastructure.
This page outlines the required ports, protocols, and firewall configurations needed for optimal gateway usage.
## Network Architecture
The gateway uses a relay-based architecture to establish secure connections:
1. **Gateway** connects outbound to **Relay Servers** using UDP/QUIC protocol
2. **Relay Servers** facilitate secure communication between Gateway and Infisical Cloud
3. All traffic is end-to-end encrypted using mutual TLS over QUIC
## Required Network Connectivity
### Outbound Connections (Required)
The gateway requires the following outbound connectivity:
| Protocol | Destination | Ports | Purpose |
|----------|-------------|-------|---------|
| UDP | Relay Servers | 49152-65535 | Allocated relay communication (TLS) |
| TCP | app.infisical.com / eu.infisical.com | 443 | API communication and relay allocation |
### Relay Server IP Addresses
Your firewall must allow outbound connectivity to the following Infisical relay servers on dynamically allocated ports.
<Tabs>
<Tab title="Infisical cloud (US)">
```
54.235.197.91:49152-65535
18.215.196.229:49152-65535
3.222.120.233:49152-65535
34.196.115.157:49152-65535
```
</Tab>
<Tab title="Infisical cloud (EU)">
```
3.125.237.40:49152-65535
52.28.157.98:49152-65535
3.125.176.90:49152-65535
```
</Tab>
<Tab title="Infisical dedicated">
Please contact your Infisical account manager for dedicated relay server IP addresses.
</Tab>
</Tabs>
<Warning>
These IP addresses are static and managed by Infisical. Any changes will be communicated with 60-day advance notice.
</Warning>
## Protocol Details
### QUIC over UDP
The gateway uses QUIC (Quick UDP Internet Connections) for primary communication:
- **Port 5349**: STUN/TURN over TLS (secure relay communication)
- **Built-in features**: Connection migration, multiplexing, reduced latency
- **Encryption**: TLS 1.3 with certificate pinning
## Understanding Firewall Behavior with UDP
Unlike TCP connections, UDP is a stateless protocol, and depending on your organization's firewall configuration, you may need to adjust network rules accordingly.
When the gateway sends UDP packets to a relay server, the return responses need to be allowed back through the firewall.
Modern firewalls handle this through "connection tracking" (also called "stateful inspection"), but the behavior can vary depending on your firewall configuration.
### Connection Tracking
Modern firewalls automatically track UDP connections and allow return responses. This is the preferred configuration as it:
- Automatically handles return responses
- Reduces firewall rule complexity
- Avoids the need for manual IP whitelisting
In the event that your firewall does not support connection tracking, you will need to whitelist the relay IPs to explicitly define return traffic manually.
## Common Network Scenarios
### Corporate Firewalls
For corporate environments with strict egress filtering:
1. **Whitelist relay IP addresses** (listed above)
2. **Allow UDP port 5349** outbound
3. **Configure connection tracking** for UDP return traffic
4. **Allow ephemeral port range** 49152-65535 for return traffic if connection tracking is disabled
### Cloud Environments (AWS/GCP/Azure)
Configure security groups to allow:
- **Outbound UDP** to relay IPs on port 5349
- **Outbound HTTPS** to app.infisical.com/eu.infisical.com on port 443
- **Inbound UDP** on ephemeral ports (if not using stateful rules)
## Frequently Asked Questions
<AccordionGroup>
<Accordion title="What happens if there is a network interruption?">
The gateway is designed to handle network interruptions gracefully:
- **Automatic reconnection**: The gateway will automatically attempt to reconnect to relay servers every 5 seconds if the connection is lost
- **Connection retry logic**: Built-in retry mechanisms handle temporary network outages without manual intervention
- **Multiple relay servers**: If one relay server is unavailable, the gateway can connect to alternative relay servers
- **Persistent sessions**: Existing connections are maintained where possible during brief network interruptions
- **Graceful degradation**: The gateway logs connection issues and continues attempting to restore connectivity
No manual intervention is typically required during network interruptions.
</Accordion>
<Accordion title="Why does the gateway use QUIC instead of TCP?">
QUIC (Quick UDP Internet Connections) provides several advantages over traditional TCP for gateway communication:
- **Faster connection establishment**: QUIC combines transport and security handshakes, reducing connection setup time
- **Built-in encryption**: TLS 1.3 is integrated into the protocol, ensuring all traffic is encrypted by default
- **Connection migration**: QUIC connections can survive IP address changes (useful for NAT rebinding)
- **Reduced head-of-line blocking**: Multiple data streams can be multiplexed without blocking each other
- **Better performance over unreliable networks**: Advanced congestion control and packet loss recovery
- **Lower latency**: Optimized for real-time communication between gateway and cloud services
While TCP is stateful and easier for firewalls to track, QUIC's performance benefits outweigh the additional firewall configuration requirements.
</Accordion>
<Accordion title="Do I need to open any inbound ports on my firewall?">
No inbound ports need to be opened. The gateway only makes outbound connections:
- **Outbound UDP** to relay servers on ports 49152-65535
- **Outbound HTTPS** to Infisical API endpoints
- **Return responses** are handled by connection tracking or explicit IP whitelisting
This design maintains security by avoiding the need for inbound firewall rules that could expose your network to external threats.
</Accordion>
<Accordion title="What if my firewall blocks the required UDP ports?">
If your firewall has strict UDP restrictions:
1. **Work with your network team** to allow outbound UDP to the specific relay IP addresses
2. **Use explicit IP whitelisting** if connection tracking is disabled
3. **Consider network policy exceptions** for the gateway host
4. **Monitor firewall logs** to identify which specific rules are blocking traffic
The gateway requires UDP connectivity to function - TCP-only configurations are not supported.
</Accordion>
<Accordion title="How many relay servers does the gateway connect to?">
The gateway connects to **one relay server at a time**:
- **Single active connection**: Only one relay connection is established per gateway instance
- **Automatic failover**: If the current relay becomes unavailable, the gateway will connect to an alternative relay
- **Load distribution**: Different gateway instances may connect to different relay servers for load balancing
- **No manual selection**: The Infisical API automatically assigns the optimal relay server based on availability and proximity
You should whitelist all relay IP addresses to ensure proper failover functionality.
</Accordion>
<Accordion title="Can the relay servers decrypt traffic going through them?">
No, relay servers cannot decrypt any traffic passing through them:
- **End-to-end encryption**: All traffic between the gateway and Infisical Cloud is encrypted using mutual TLS with certificate pinning
- **Relay acts as a tunnel**: The relay server only forwards encrypted packets - it has no access to encryption keys
- **No data storage**: Relay servers do not store any traffic or network-identifiable information
- **Certificate isolation**: Each organization has its own private PKI system, ensuring complete tenant isolation
The relay infrastructure is designed as a secure forwarding mechanism, similar to a VPN tunnel, where the relay provider cannot see the contents of the traffic flowing through it.
</Accordion>
</AccordionGroup>

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---
title: "Gateway"
sidebarTitle: "Overview"
description: "How to access private network resources from Infisical"
---
![Alt text](/documentation/platform/gateways-deprecated/images/gateway-highlevel-diagram.png)
The Infisical Gateway provides secure access to private resources within your network without needing direct inbound connections to your environment.
This method keeps your resources fully protected from external access while enabling Infisical to securely interact with resources like databases.
Common use cases include generating dynamic credentials or rotating credentials for private databases.
<Info>
Gateway is a paid feature available under the Enterprise Tier for Infisical
Cloud users. Self-hosted Infisical users can contact
[sales@infisical.com](mailto:sales@infisical.com) to purchase an enterprise
license.
</Info>
## How It Works
The Gateway serves as a secure intermediary that facilitates direct communication between the Infisical server and your private network.
Its a lightweight daemon packaged within the Infisical CLI, making it easy to deploy and manage. Once set up, the Gateway establishes a connection with a relay server, ensuring that all communication between Infisical and your Gateway is fully end-to-end encrypted.
This setup guarantees that only the platform and your Gateway can decrypt the transmitted information, keeping communication with your resources secure, private and isolated.
## Deployment
The Infisical Gateway is seamlessly integrated into the Infisical CLI under the `gateway` command, making it simple to deploy and manage.
You can install the Gateway in all the same ways you install the Infisical CLI—whether via npm, Docker, or a binary.
For detailed installation instructions, refer to the Infisical [CLI Installation instructions](/cli/overview).
To function, the Gateway must authenticate with Infisical. This requires a machine identity configured with the appropriate permissions to create and manage a Gateway.
Once authenticated, the Gateway establishes a secure connection with Infisical to allow your private resources to be reachable.
### Get started
<Steps>
<Step title="Create a Gateway Identity">
1. Navigate to **Organization Access Control** in your Infisical dashboard.
2. Create a dedicated machine identity for your Gateway.
3. **Best Practice:** Assign a unique identity to each Gateway for better security and management.
![Create Gateway Identity](../../../images/platform/gateways/create-identity-for-gateway.png)
</Step>
<Step title="Configure Authentication Method">
You'll need to choose an authentication method to initiate communication with Infisical. View the available machine identity authentication methods [here](/documentation/platform/identities/machine-identities).
</Step>
<Step title="Deploy the Gateway">
Use the Infisical CLI to deploy the Gateway. You can run it directly or install it as a systemd service for production:
<Tabs>
<Tab title="Production (systemd)">
For production deployments on Linux, install the Gateway as a systemd service:
```bash
sudo infisical gateway install --token <your-machine-identity-token> --domain <your-infisical-domain>
sudo systemctl start infisical-gateway
```
This will install and start the Gateway as a secure systemd service that:
- Runs with restricted privileges:
- Runs as root user (required for secure token management)
- Restricted access to home directories
- Private temporary directory
- Automatically restarts on failure
- Starts on system boot
- Manages token and domain configuration securely in `/etc/infisical/gateway.conf`
<Warning>
The install command requires:
- Linux operating system
- Root/sudo privileges
- Systemd
</Warning>
</Tab>
<Tab title="Production (Helm)">
The Gateway can be installed via [Helm](https://helm.sh/). Helm is a package manager for Kubernetes that allows you to define, install, and upgrade Kubernetes applications.
For production deployments on Kubernetes, install the Gateway using the Infisical Helm chart:
### Install the latest Helm Chart repository
```bash
helm repo add infisical-helm-charts 'https://dl.cloudsmith.io/public/infisical/helm-charts/helm/charts/'
```
### Update the Helm Chart repository
```bash
helm repo update
```
### Create a Kubernetes Secret containing gateway environment variables
The gateway supports all identity authentication methods through the use of environment variables.
The environment variables must be set in the `infisical-gateway-environment` Kubernetes secret.
#### Supported authentication methods
<AccordionGroup>
<Accordion title="Universal Auth">
The Universal Auth method is a simple and secure way to authenticate with Infisical. It requires a client ID and a client secret to authenticate with Infisical.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_UNIVERSAL_AUTH_CLIENT_ID" type="string" required>
Your machine identity client ID.
</ParamField>
<ParamField query="INFISICAL_UNIVERSAL_AUTH_CLIENT_SECRET" type="string" required>
Your machine identity client secret.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `universal-auth` when using Universal Auth.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=universal-auth --from-literal=INFISICAL_UNIVERSAL_AUTH_CLIENT_ID=<client-id> --from-literal=INFISICAL_UNIVERSAL_AUTH_CLIENT_SECRET=<client-secret>
```
</Accordion>
<Accordion title="Native Kubernetes">
The Native Kubernetes method is used to authenticate with Infisical when running in a Kubernetes environment. It requires a service account token to authenticate with Infisical.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_KUBERNETES_SERVICE_ACCOUNT_TOKEN_PATH" type="string" optional>
Path to the Kubernetes service account token to use. Default: `/var/run/secrets/kubernetes.io/serviceaccount/token`.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `kubernetes` when using Native Kubernetes.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=kubernetes --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id>
```
</Accordion>
<Accordion title="Native Azure">
The Native Azure method is used to authenticate with Infisical when running in an Azure environment.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `azure` when using Native Azure.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=azure --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id>
```
</Accordion>
<Accordion title="Native GCP ID Token">
The Native GCP ID Token method is used to authenticate with Infisical when running in a GCP environment.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `gcp-id-token` when using Native GCP ID Token.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=gcp-id-token --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id>
```
</Accordion>
<Accordion title="GCP IAM">
The GCP IAM method is used to authenticate with Infisical with a GCP service account key.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_GCP_SERVICE_ACCOUNT_KEY_FILE_PATH" type="string" required>
Path to your GCP service account key file _(Must be in JSON format!)_
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `gcp-iam` when using GCP IAM.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=gcp-iam --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id> --from-literal=INFISICAL_GCP_SERVICE_ACCOUNT_KEY_FILE_PATH=<service-account-key-file-path>
```
</Accordion>
<Accordion title="Native AWS IAM">
The AWS IAM method is used to authenticate with Infisical with an AWS IAM role while running in an AWS environment like EC2, Lambda, etc.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `aws-iam` when using Native AWS IAM.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=aws-iam --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id>
```
</Accordion>
<Accordion title="OIDC Auth">
The OIDC Auth method is used to authenticate with Infisical via identity tokens with OIDC.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_JWT" type="string" required>
The OIDC JWT from the identity provider.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `oidc-auth` when using OIDC Auth.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=oidc-auth --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id> --from-literal=INFISICAL_JWT=<oidc-jwt>
```
</Accordion>
<Accordion title="JWT Auth">
The JWT Auth method is used to authenticate with Infisical via a JWT token.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_JWT" type="string" required>
The JWT token to use for authentication.
</ParamField>
<ParamField query="INFISICAL_MACHINE_IDENTITY_ID" type="string" required>
Your machine identity ID.
</ParamField>
<ParamField query="INFISICAL_AUTH_METHOD" type="string" required>
The authentication method to use. Must be `jwt-auth` when using JWT Auth.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_AUTH_METHOD=jwt-auth --from-literal=INFISICAL_JWT=<jwt> --from-literal=INFISICAL_MACHINE_IDENTITY_ID=<machine-identity-id>
```
</Accordion>
<Accordion title="Token Auth">
You can use the `INFISICAL_TOKEN` environment variable to authenticate with Infisical with a raw machine identity access token.
<ParamField query="Environment Variables">
<Expandable title="properties">
<ParamField query="INFISICAL_TOKEN" type="string" required>
The machine identity access token to use for authentication.
</ParamField>
</Expandable>
</ParamField>
```bash
kubectl create secret generic infisical-gateway-environment --from-literal=INFISICAL_TOKEN=<token>
```
</Accordion>
</AccordionGroup>
#### Other environment variables
<AccordionGroup>
<Accordion title="INFISICAL_API_URL">
The API URL to use for the gateway. By default, `INFISICAL_API_URL` is set to `https://app.infisical.com`.
</Accordion>
</AccordionGroup>
### Install the Infisical Gateway Helm Chart
```bash
helm install infisical-gateway infisical-helm-charts/infisical-gateway
```
### Check the gateway logs
After installing the gateway, you can check the logs to ensure it's running as expected.
```bash
kubectl logs deployment/infisical-gateway
```
You should see the following output which indicates the gateway is running as expected.
```bash
$ kubectl logs deployment/infisical-gateway
INF Provided relay port 5349. Using TLS
INF Connected with relay
INF 10.0.101.112:56735
INF Starting relay connection health check
INF Gateway started successfully
INF New connection from: 10.0.1.8:34051
INF Gateway is reachable by Infisical
```
</Tab>
<Tab title="Local Installation (testing)">
For development or testing, you can run the Gateway directly. Log in with your machine identity and start the Gateway in one command:
```bash
infisical gateway --token $(infisical login --method=universal-auth --client-id=<> --client-secret=<> --plain)
```
Alternatively, if you already have the token, use it directly with the `--token` flag:
```bash
infisical gateway --token <your-machine-identity-token>
```
Or set it as an environment variable:
```bash
export INFISICAL_TOKEN=<your-machine-identity-token>
infisical gateway
```
</Tab>
</Tabs>
For detailed information about the gateway command and its options, see the [gateway command documentation](/cli/commands/gateway).
<Note>
Ensure the deployed Gateway has network access to the private resources you intend to connect with Infisical.
</Note>
</Step>
<Step title="Verify Gateway Deployment">
To confirm your Gateway is working, check the deployment status by looking for the message **"Gateway started successfully"** in the Gateway logs. This indicates the Gateway is running properly. Next, verify its registration by opening your Infisical dashboard, navigating to **Organization Access Control**, and selecting the **Gateways** tab. Your newly deployed Gateway should appear in the list.
![Gateway List](../../../images/platform/gateways/gateway-list.png)
</Step>
</Steps>

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@@ -1,5 +1,5 @@
---
title: "Relay Deployment"
title: "Overview"
description: "How to deploy Infisical Relay Servers"
---
@@ -107,13 +107,8 @@ To successfully deploy an Infisical Relay for use, follow these steps in order.
</AccordionGroup>
</Step>
<Step title="Install the Infisical CLI">
Install the Infisical CLI on the server where you plan to deploy the relay. The CLI is required for relay installation and management.
See the [CLI Installation Guide](/cli/overview) for instructions.
This server must have a static IP address or DNS name to be identifiable by the Infisical platform.
<Step title="Provision a Server">
Provision a server or virtual machine where you plan to deploy the relay. This server must have a static IP address or DNS name to be identifiable by the Infisical platform.
</Step>
<Step title="Configure Network & Firewall">
@@ -133,6 +128,8 @@ To successfully deploy an Infisical Relay for use, follow these steps in order.
</Step>
<Step title="Select a Deployment Method">
You can deploy the Infisical Relay in various ways. This guide provides a manual setup example using the Infisical CLI. For an infrastructure-as-code approach, see our [Terraform guide](/documentation/platform/gateways/relay-deployment/terraform).
The Infisical CLI is used to install and start the relay in your chosen environment. The CLI provides commands for both production and development scenarios, and supports a variety of options/flags to configure your deployment.
To view all available flags and equivalent environment variables for relay deployment, see the [Relay CLI Command Reference](/cli/commands/relay).

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@@ -0,0 +1,151 @@
---
title: "Terraform"
description: "How to deploy Infisical Relay Servers using Terraform"
---
This guide walks you through deploying an Infisical Relay server using Terraform. Select a provider below for specific instructions.
<Tabs>
<Tab title="AWS EC2">
The provided configuration automates the creation of the EC2 instance, sets up the necessary security group rules, and uses a startup script to install and configure the Infisical Relay service.
### Prerequisites
Before you start, make sure you have the following:
- An AWS account with permissions to create EC2 instances, Security Groups, and Elastic IPs.
- An existing VPC and Subnet ID in your desired AWS region.
- The AMI ID for your chosen OS (this guide uses an Ubuntu 22.04 LTS AMI).
- Credentials for the Infisical Relay to authenticate with your Infisical instance. This guide uses a Machine Identity token, but other methods are available. You can find a full list of authentication options [here](/cli/commands/relay#available-authentication-methods).
### Terraform Configuration
Here is the complete Terraform configuration to deploy the Infisical Relay.
```terraform
terraform {
required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 5.0"
}
}
}
provider "aws" {
region = "us-west-2" # Change to your desired AWS region
}
# Security Group for the Infisical Relay instance
resource "aws_security_group" "infisical_relay_sg" {
name = "infisical-relay-sg"
description = "Allows inbound traffic for Infisical Relay and SSH"
vpc_id = "vpc-0c71f9c5709d88d18" # Change to your VPC ID
# Inbound: Allows the Infisical platform to securely communicate with the Relay server.
ingress {
from_port = 8443
to_port = 8443
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
# Inbound: Allows Infisical Gateway to securely communicate via the Relay.
ingress {
from_port = 2222
to_port = 2222
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
}
# Inbound: Allows secure shell (SSH) access for administration.
ingress {
from_port = 22
to_port = 22
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"] # Restrict this to your IP in production
}
# Outbound: Allows the Relay server to make necessary outbound connections to the Infisical platform.
egress {
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
tags = {
Name = "infisical-relay-sg"
}
}
# Elastic IP for a static public IP address
resource "aws_eip" "infisical_relay_eip" {
tags = {
Name = "infisical-relay-eip"
}
}
# EC2 instance to run Infisical Relay
module "infisical_relay_instance" {
source = "terraform-aws-modules/ec2-instance/aws"
version = "~> 5.6"
name = "infisical-relay-example"
ami = "ami-065778886ef8ec7c8" # Change to your desired AMI ID
instance_type = "t3.micro"
subnet_id = "subnet-0fd2337a1c604a494" # Change to your Subnet ID
vpc_security_group_ids = [aws_security_group.infisical_relay_sg.id]
associate_public_ip_address = false # We are using an Elastic IP instead
user_data = <<-EOT
#!/bin/bash
set -e
# Install Infisical CLI
curl -1sLf 'https://artifacts-cli.infisical.com/setup.deb.sh' | bash
apt-get update && apt-get install -y infisical
# Install the relay as a systemd service.
# This example uses a Machine Identity token for authentication via the INFISICAL_TOKEN environment variable.
#
# Note: For production environments, you might consider fetching the token from AWS Parameter Store or AWS Secrets Manager.
export INFISICAL_TOKEN="your-machine-identity-token"
sudo -E infisical relay systemd install \
--name "my-relay-example" \
--domain "https://app.infisical.com" \
--host "${aws_eip.infisical_relay_eip.public_ip}"
# Start and enable the service to run on boot
sudo systemctl start infisical-relay
sudo systemctl enable infisical-relay
EOT
}
# Associate the Elastic IP with the EC2 instance
resource "aws_eip_association" "eip_assoc" {
instance_id = module.infisical_relay_instance.id
allocation_id = aws_eip.infisical_relay_eip.id
}
```
<Warning>
The provided security group rules are open to the internet (`0.0.0.0/0`) for simplicity. In a production environment, you should restrict the `cidr_blocks` to known IP addresses for enhanced security, especially for the SSH port (22).
</Warning>
### How to Deploy
1. **Save the configuration:** Save the code above to a file named `main.tf`.
2. **Customize values:** Update the placeholder values in `main.tf` to match your AWS environment and Infisical credentials. You'll need to replace:
- `region` in the `provider` block.
- `vpc_id` in the `aws_security_group` resource.
- `ami` and `subnet_id` in the `infisical_relay_instance` module.
- The `INFISICAL_TOKEN` environment variable in the `user_data` script (e.g., `export INFISICAL_TOKEN="your-machine-identity-token"`).
- The `--domain` in the `user_data` script if you are self-hosting Infisical.
3. **Apply the configuration:** Run the following Terraform commands in your terminal:
```bash
terraform init
terraform plan
terraform apply
```
</Tab>
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