fix: server deploy setup and env example

docker-compose.yml

@@ -3,16 +3,17 @@ services:
     image: postgres:16-alpine
     container_name: panel-postgres
     restart: unless-stopped
+    env_file: .env
     environment:
-      POSTGRES_USER: panel
-      POSTGRES_PASSWORD: panel_secret
-      POSTGRES_DB: panel
+      POSTGRES_USER: ${POSTGRES_USER:-panel}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-panel_secret}
+      POSTGRES_DB: ${POSTGRES_DB:-panel}
     ports:
       - "5432:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
     healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U panel -d panel"]
+      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER:-panel} -d ${POSTGRES_DB:-panel}"]
       interval: 5s
       timeout: 5s
       retries: 5
@@ -22,11 +23,12 @@ services:
       context: .
       dockerfile: Dockerfile.migrate
     container_name: panel-migrate
+    env_file: .env
     depends_on:
       postgres:
         condition: service_healthy
     command:
-      - "postgres://panel:panel_secret@postgres:5432/panel?sslmode=disable"
+      - "${DATABASE_URL_DOCKER:-postgres://panel:panel_secret@postgres:5432/panel?sslmode=disable}"
       - "up"
     profiles:
       - migrate