set telemetry post frontend build in standalone docker img

frontend/scripts/initialize-standalone-build.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+scripts/replace-standalone-build-variable.sh "$BAKED_NEXT_PUBLIC_POSTHOG_API_KEY" "$NEXT_PUBLIC_POSTHOG_API_KEY"
+
+scripts/replace-standalone-build-variable.sh "$BAKED_NEXT_PUBLIC_INTERCOM_ID" "$NEXT_PUBLIC_INTERCOM_ID"
+
+if [ "$TELEMETRY_ENABLED" != "false" ]; then
+    echo "Telemetry is enabled"
+    scripts/set-standalone-build-telemetry.sh true
+else
+    echo "Client opted out of telemetry"
+    scripts/set-standalone-build-telemetry.sh false
+fi

frontend/scripts/replace-standalone-build-variable.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+ORIGINAL=$1
+REPLACEMENT=$2
+
+if [ "${ORIGINAL}" = "${REPLACEMENT}" ]; then
+    echo "Environment variable replacement is the same, skipping.."
+    exit 0
+fi
+
+echo "Replacing pre-baked value.."
+
+find public .next -type f -name "*.js" |
+while read file; do
+    sed -i "s|$ORIGINAL|$REPLACEMENT|g" "$file"
+done

frontend/scripts/set-standalone-build-telemetry.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+VALUE=$1
+
+find public .next -type f -name "*.js" |
+while read file; do
+    sed -i "s|TELEMETRY_CAPTURING_ENABLED|$VALUE|g" "$file"
+done