Use PORT as proxyless host port

docker-compose.proxyless.yml

@@ -35,7 +35,7 @@ services:
     container_name: synapsis-app
     restart: unless-stopped
     ports:
-      - "127.0.0.1:${APP_HOST_PORT:-3000}:3000"
+      - "127.0.0.1:${PORT:-3000}:${PORT:-3000}"
     environment:
       DATABASE_URL: postgresql://${DB_USER:-synapsis}:${DB_PASSWORD:-changeme}@postgres:5432/${DB_NAME:-synapsis}
       AUTH_SECRET: ${AUTH_SECRET}
@@ -45,7 +45,7 @@ services:
       ALLOW_LOCALHOST: ${ALLOW_LOCALHOST:-}
       ADMIN_EMAILS: ${ADMIN_EMAILS}
       BOT_MAX_PER_USER: ${BOT_MAX_PER_USER:-5}
-      PORT: "3000"
+      PORT: ${PORT:-3000}
       NODE_ENV: production
     volumes:
       - uploads_data:/app/uploads
@@ -55,7 +55,7 @@ services:
       postgres:
         condition: service_healthy
     healthcheck:
-      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1:3000/api/health || exit 1"]
+      test: ["CMD-SHELL", "wget -q --spider http://127.0.0.1:${PORT:-3000}/api/health || exit 1"]
       interval: 30s
       timeout: 10s
       retries: 3