refactor: 简化 docker-compose 环境变量配置

使用 env_file 加载 .env 文件，移除冗余的环境变量声明，
仅保留需要组合的变量和容器级别设置

docker-compose.build.yml

@@ -44,20 +44,13 @@ services:
       dockerfile: Dockerfile.app.local
     image: aether-app:latest
     container_name: aether-app
+    env_file:
+      - .env
     environment:
+      # 需要组合的变量
       DATABASE_URL: postgresql://postgres:${DB_PASSWORD}@postgres:5432/aether
       REDIS_URL: redis://:${REDIS_PASSWORD}@redis:6379/0
-      PORT: 8084
-      JWT_SECRET_KEY: ${JWT_SECRET_KEY}
-      ENCRYPTION_KEY: ${ENCRYPTION_KEY}
-      JWT_ALGORITHM: HS256
-      JWT_EXPIRATION_DELTA: 86400
-      LOG_LEVEL: ${LOG_LEVEL:-INFO}
-      ADMIN_EMAIL: ${ADMIN_EMAIL}
-      ADMIN_USERNAME: ${ADMIN_USERNAME}
-      ADMIN_PASSWORD: ${ADMIN_PASSWORD}
-      API_KEY_PREFIX: ${API_KEY_PREFIX:-sk}
-      GUNICORN_WORKERS: ${GUNICORN_WORKERS:-4}
+      # 容器级别设置
       TZ: Asia/Shanghai
       PYTHONIOENCODING: utf-8
       LANG: C.UTF-8

docker-compose.yml

@@ -35,20 +35,13 @@ services:
   app:
     image: ghcr.io/fawney19/aether:latest
     container_name: aether-app
+    env_file:
+      - .env
     environment:
+      # 需要组合的变量
       DATABASE_URL: postgresql://postgres:${DB_PASSWORD}@postgres:5432/aether
       REDIS_URL: redis://:${REDIS_PASSWORD}@redis:6379/0
-      PORT: 8084
-      JWT_SECRET_KEY: ${JWT_SECRET_KEY}
-      ENCRYPTION_KEY: ${ENCRYPTION_KEY}
-      JWT_ALGORITHM: HS256
-      JWT_EXPIRATION_DELTA: 86400
-      LOG_LEVEL: ${LOG_LEVEL:-INFO}
-      ADMIN_EMAIL: ${ADMIN_EMAIL}
-      ADMIN_USERNAME: ${ADMIN_USERNAME}
-      ADMIN_PASSWORD: ${ADMIN_PASSWORD}
-      API_KEY_PREFIX: ${API_KEY_PREFIX:-sk}
-      GUNICORN_WORKERS: ${GUNICORN_WORKERS:-4}
+      # 容器级别设置
       TZ: Asia/Shanghai
       PYTHONIOENCODING: utf-8
       LANG: C.UTF-8