refactor(config): 简化配置加载逻辑，使用单一配置文件

移除多环境配置文件支持，统一使用 server/config.yaml 或 config.yaml
删除 APP_ENV 相关代码和日志输出
更新部署脚本以匹配新的配置加载方式

Dockerfile

@@ -10,8 +10,6 @@ FROM alpine:3.19
 WORKDIR /app
 COPY --from=build /app/bin/marketing-data-server /app/bin/marketing-data-server
 COPY --from=build /app/web /app/web
-COPY --from=build /app/server/config.test.yaml /app/server/config.test.yaml
-COPY --from=build /app/server/config.prod.yaml /app/server/config.prod.yaml
 RUN mkdir -p /app/storage/export
 EXPOSE 8077
 ENTRYPOINT ["/app/bin/marketing-data-server"]

scripts/deploy_docker.sh

@@ -22,7 +22,7 @@ fi
 if docker ps -a --format '{{.Names}}' | grep -q "^${CID_NAME}$"; then
   docker rm "$CID_NAME" >/dev/null 2>&1 || true
 fi
-CONFIG_PATH="$ROOT_DIR/server/config.$ENV_NAME.yaml"
+CONFIG_PATH="$ROOT_DIR/server/config.yaml"
 if [ ! -f "$CONFIG_PATH" ]; then
   echo "配置文件缺失：$CONFIG_PATH" >&2
   exit 1
@@ -30,10 +30,9 @@ fi
 docker run -d \
   --name "$CID_NAME" \
   --restart unless-stopped \
-  --env APP_ENV="$ENV_NAME" \
   -p "$PORT:8077" \
   -v "$ROOT_DIR/storage/export:/app/storage/export" \
   -v "$ROOT_DIR/log:/app/log" \
-  -v "$CONFIG_PATH:/app/server/config.$ENV_NAME.yaml:ro" \
+  -v "$CONFIG_PATH:/app/server/config.yaml:ro" \
   "$IMAGE:$TAG"
 echo "container: $CID_NAME image: $IMAGE:$TAG port: $PORT"

server/cmd/server/main.go

@@ -13,7 +13,6 @@ import (
 
 func main() {
     cfg := config.Load()
-    log.Println("APP_ENV:", os.Getenv("APP_ENV"))
     if cfg.YMTKeyDecryptKeyB64 != "" { os.Setenv("YMT_KEY_DECRYPT_KEY_B64", cfg.YMTKeyDecryptKeyB64) }
     _ = logging.Init("log")
     log.Println("connecting YMT MySQL:", cfg.YMTDB.Host+":"+cfg.YMTDB.Port, "db", cfg.YMTDB.Name, "user", cfg.YMTDB.User)

server/internal/config/config.go

@@ -29,22 +29,12 @@ type root struct {
 }
 
 func Load() App {
-	env := strings.ToLower(strings.TrimSpace(os.Getenv("APP_ENV")))
-	paths := []string{}
-	if env != "" {
-		paths = append(paths,
-			"config."+env+".yaml",
-			filepath.Join("server", "config."+env+".yaml"),
-		)
-	}
-	// no global fallback to config.yaml; rely on APP_ENV or environment variables
-	var cfg App
-	for _, p := range paths {
-		if readYAML(p, &cfg) {
-			break
-		}
-	}
-	LoadEnv()
+    var cfg App
+    // unified single config: prefer server/config.yaml, then config.yaml
+    if !readYAML(filepath.Join("server", "config.yaml"), &cfg) {
+        _ = readYAML("config.yaml", &cfg)
+    }
+    LoadEnv()
 	if v := os.Getenv("MARKETING_DB_HOST"); v != "" {
 		cfg.MarketingDB.Host = v
 	}
@@ -109,44 +99,37 @@ func (d DB) DSN() string {
 }
 
 func LoadEnv() {
-	env := strings.ToLower(strings.TrimSpace(os.Getenv("APP_ENV")))
-	paths := []string{}
-	if env != "" {
-		paths = append(paths,
-			".env."+env,
-			filepath.Join("server", ".env."+env),
-		)
-	}
-	paths = append(paths,
-		".env.local",
-		filepath.Join("server", ".env.local"),
-	)
-	for _, p := range paths {
-		f, err := os.Open(p)
-		if err != nil {
-			continue
-		}
-		b, err := io.ReadAll(f)
-		f.Close()
-		if err != nil {
-			continue
-		}
-		lines := strings.Split(string(b), "\n")
-		for _, ln := range lines {
-			s := strings.TrimSpace(ln)
-			if s == "" || strings.HasPrefix(s, "#") {
-				continue
-			}
-			kv := strings.SplitN(s, "=", 2)
-			if len(kv) != 2 {
-				continue
-			}
-			k := strings.TrimSpace(kv[0])
-			v := strings.TrimSpace(kv[1])
-			if k != "" {
-				os.Setenv(k, v)
-			}
-		}
-		break
-	}
+    // optional local env override only
+    paths := []string{
+        ".env.local",
+        filepath.Join("server", ".env.local"),
+    }
+    for _, p := range paths {
+        f, err := os.Open(p)
+        if err != nil {
+            continue
+        }
+        b, err := io.ReadAll(f)
+        f.Close()
+        if err != nil {
+            continue
+        }
+        lines := strings.Split(string(b), "\n")
+        for _, ln := range lines {
+            s := strings.TrimSpace(ln)
+            if s == "" || strings.HasPrefix(s, "#") {
+                continue
+            }
+            kv := strings.SplitN(s, "=", 2)
+            if len(kv) != 2 {
+                continue
+            }
+            k := strings.TrimSpace(kv[0])
+            v := strings.TrimSpace(kv[1])
+            if k != "" {
+                os.Setenv(k, v)
+            }
+        }
+        break
+    }
 }