[misc] Add support for NETBIRD_STORE_ENGINE_POSTGRES_DSN environment variable in setup.env (#2462)

* Added Postgres DSN env variable

* Added postgres check to script

infrastructure_files/configure.sh

@@ -41,6 +41,18 @@ if [[ "x-$NETBIRD_DOMAIN" == "x-" ]]; then
   exit 1
 fi
 
+# Check if PostgreSQL is set as the store engine
+if [[ "$NETBIRD_STORE_CONFIG_ENGINE" == "postgres" ]]; then
+  # Exit if 'NETBIRD_STORE_ENGINE_POSTGRES_DSN' is not set
+  if [[ -z "$NETBIRD_STORE_ENGINE_POSTGRES_DSN" ]]; then
+    echo "Warning: NETBIRD_STORE_CONFIG_ENGINE=postgres but NETBIRD_STORE_ENGINE_POSTGRES_DSN is not set."
+    echo "Please add the following line to your setup.env file:"
+    echo 'NETBIRD_STORE_ENGINE_POSTGRES_DSN="host=<PG_HOST> user=<PG_USER> password=<PG_PASSWORD> dbname=<PG_DB_NAME> port=<PG_PORT>"'
+    exit 1
+  fi
+  export NETBIRD_STORE_ENGINE_POSTGRES_DSN
+fi
+
 # local development or tests
 if [[ $NETBIRD_DOMAIN == "localhost" || $NETBIRD_DOMAIN == "127.0.0.1" ]]; then
   export NETBIRD_MGMT_SINGLE_ACCOUNT_MODE_DOMAIN="netbird.selfhosted"

infrastructure_files/docker-compose.yml.tmpl

@@ -77,6 +77,9 @@ services:
       options:
         max-size: "500m"
         max-file: "2"
+    environment:
+      - NETBIRD_STORE_ENGINE_POSTGRES_DSN=$NETBIRD_STORE_ENGINE_POSTGRES_DSN
+      
   # Coturn
   coturn:
     image: coturn/coturn:$COTURN_TAG

infrastructure_files/docker-compose.yml.tmpl.traefik

@@ -81,6 +81,8 @@ services:
     - traefik.http.routers.netbird-management.service=netbird-management
     - traefik.http.services.netbird-management.loadbalancer.server.port=443
     - traefik.http.services.netbird-management.loadbalancer.server.scheme=h2c
+    environment:
+      - NETBIRD_STORE_ENGINE_POSTGRES_DSN=$NETBIRD_STORE_ENGINE_POSTGRES_DSN
       
   # Coturn
   coturn: