Add healthchecks and test image before push

.github/resources/healthcheck.sh

@@ -0,0 +1,26 @@
+# Name of the target container to check
+container_name="$1"
+# Timeout in seconds. Default: 60
+timeout=$((${2:-60}));
+
+if [ -z $container_name ]; then
+  echo "No container name specified";
+  exit 1;
+fi
+
+echo "Container: $container_name";
+echo "Timeout: $timeout sec";
+
+try=0;
+is_healthy="false";
+while [ $is_healthy != "true" ];
+do
+  try=$(($try + 1));
+  printf "■";
+  is_healthy=$(docker inspect --format='{{json .State.Health}}' $container_name | jq '.Status == "healthy"');
+  sleep 1;
+  if [[ $try -eq $timeout ]]; then
+    echo " Container was not ready within timeout";
+    exit 1;
+  fi
+done