diff --git a/.github/workflows/docker-build-deploy.yml b/.github/workflows/docker-build-deploy.yml
index 0da841a..61b8f06 100644
--- a/.github/workflows/docker-build-deploy.yml
+++ b/.github/workflows/docker-build-deploy.yml
@@ -244,9 +244,8 @@ jobs:
             exit 1
           fi
 
-          echo "上传候选 compose、Caddyfile 与环境文件..."
+          echo "上传候选 compose 与环境文件..."
           scp -P "$SSH_PORT" ./api/docker-compose.yml "$SSH_USER@$SSH_HOST:$COMPOSE_DIR/api/docker-compose.candidate.yml"
-          scp -P "$SSH_PORT" ./api/Caddyfile "$SSH_USER@$SSH_HOST:$COMPOSE_DIR/api/Caddyfile.candidate"
           scp -P "$SSH_PORT" "$ENV_SRC" "$SSH_USER@$SSH_HOST:$COMPOSE_DIR/api/.env.candidate"
 
           ssh -p "$SSH_PORT" "$SSH_USER@$SSH_HOST" "
@@ -271,9 +270,6 @@ jobs:
             if [ -f '$COMPOSE_FILE' ]; then
               cp '$COMPOSE_FILE' '${COMPOSE_FILE}.predeploy'
             fi
-            if [ -f 'Caddyfile' ]; then
-              cp 'Caddyfile' 'Caddyfile.predeploy'
-            fi
             if [ -f '.env.production' ]; then
               cp '.env.production' '.env.production.predeploy'
             fi
@@ -281,7 +277,6 @@ jobs:
               cp '.env' '.env.predeploy'
             fi
             mv 'docker-compose.candidate.yml' '$COMPOSE_FILE'
-            mv 'Caddyfile.candidate' 'Caddyfile'
             mv '.env.candidate' '.env'
             docker-compose -f '$COMPOSE_FILE' up -d --remove-orphans
             echo '等待服务启动...'
@@ -321,16 +316,5 @@ jobs:
               exit 1
             fi
 
-            CADDY_CID=\$(docker-compose ps -q caddy || true)
-            if [ -n \"\$CADDY_CID\" ]; then
-              CADDY_STATE=\$(docker inspect -f '{{.State.Status}}' \"\$CADDY_CID\")
-              echo \"caddy state: \$CADDY_STATE\"
-              if [ \"\$CADDY_STATE\" != 'running' ]; then
-                echo 'caddy 容器未处于 running 状态'
-                docker-compose logs --tail=80 caddy || true
-                exit 1
-              fi
-            fi
-
             docker-compose logs --tail=50 api
           "
diff --git a/api/.env.example b/api/.env.example
index dbf0fc4..7316e32 100644
--- a/api/.env.example
+++ b/api/.env.example
@@ -7,6 +7,13 @@
 # 不要把真实密钥提交到仓库。
 # =============================================================================
 
+# =============================================================================
+# Docker Compose（宿主机独立 Caddy 反代到本 API）
+# =============================================================================
+# 映射到宿主机的端口，默认 8000；与同机其它项目冲突时改为未占用端口，并在独立 Caddy 的 Caddyfile 中 reverse_proxy 到 127.0.0.1:该端口。
+# LIFE_ECHO_API_HOST_PORT=8000
+# 若 Caddy 跑在独立容器且非 host 网络，不要用 127.0.0.1，应把 Caddy 加入与本 compose 相同的 Docker 网络，并对 http://life-echo-api-prod:8000 做 reverse_proxy。
+
 # =============================================================================
 # Logging（loguru sink 最低级别：TRACE / DEBUG / INFO / WARNING / ERROR / CRITICAL）
 # =============================================================================
diff --git a/api/Caddyfile b/api/Caddyfile
deleted file mode 100644
index 1083339..0000000
--- a/api/Caddyfile
+++ /dev/null
@@ -1,4 +0,0 @@
-{$CADDY_PRIMARY_DOMAIN:lifecho.worldsplats.com} {
-    encode zstd gzip
-    reverse_proxy api:8000
-}
diff --git a/api/docker-compose.yml b/api/docker-compose.yml
index f199ba6..5b63f20 100644
--- a/api/docker-compose.yml
+++ b/api/docker-compose.yml
@@ -58,8 +58,10 @@ services:
       dockerfile: Dockerfile
     image: life-echo-api:latest
     container_name: life-echo-api-prod
-    expose:
-      - "8000"
+    # 独立 Caddy（宿主机或其它 compose）经 HTTPS 反代；仅绑定本机回环，避免与机上其它项目端口直接对公网。
+    # 若与 Cosmetic 等共用主机且 8000 已被占用，在 .env 中设置 LIFE_ECHO_API_HOST_PORT=其它端口并在 Caddyfile 中一致。
+    ports:
+      - "127.0.0.1:${LIFE_ECHO_API_HOST_PORT:-8000}:8000"
     env_file:
       - .env
     environment:
@@ -118,28 +120,6 @@ services:
         max-size: "10m"
         max-file: "3"
 
-  caddy:
-    image: m.daocloud.io/docker.io/library/caddy:2-alpine
-    container_name: life-echo-caddy
-    depends_on:
-      api:
-        condition: service_healthy
-    ports:
-      - "80:80"
-      - "443:443"
-    volumes:
-      - ./Caddyfile:/etc/caddy/Caddyfile:ro
-      - caddy_data:/data
-      - caddy_config:/config
-    restart: always
-    networks:
-      - life-echo-network
-    logging:
-      driver: "json-file"
-      options:
-        max-size: "10m"
-        max-file: "3"
-
   # Celery Beat（定时任务调度，可选）
   # celery-beat:
   #   build:
@@ -193,7 +173,3 @@ volumes:
     driver: local
   redis_data:
     driver: local
-  caddy_data:
-    driver: local
-  caddy_config:
-    driver: local