refactor: 将所有服务的健康检查从 wget 改为 curl

curl 相比 wget 的优势:
- 更轻量 (二进制文件更小)
- 更常用 (标准 HTTP 工具)
- 语法更简洁 (curl -f vs wget -q --spider)
- 退出码更可靠 (-f 参数在 HTTP 错误时返回非 0)

修改的服务:
- identity-service
- wallet-service
- mpc-service
- reward-service
- leaderboard-service
- reporting-service

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

backend/services/identity-service/Dockerfile

@@ -35,10 +35,10 @@ FROM node:20-slim
 
 WORKDIR /app
 
-# Install OpenSSL and wget for health checks
+# Install OpenSSL and curl for health checks
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl \
-    wget \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Install production dependencies only
@@ -66,7 +66,7 @@ EXPOSE 3000
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD wget -q --spider http://localhost:3000/api/v1/health || exit 1
+  CMD curl -f http://localhost:3000/api/v1/health || exit 1
 
 # Start service
 CMD ["node", "dist/src/main.js"]

backend/services/leaderboard-service/Dockerfile

@@ -38,10 +38,10 @@ FROM node:20-slim AS production
 
 WORKDIR /app
 
-# Install OpenSSL and wget for health checks
+# Install OpenSSL and curl for health checks
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl \
-    wget \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy package files and install production dependencies
@@ -69,7 +69,7 @@ EXPOSE 3007
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD wget -q --spider http://localhost:3007/api/health || exit 1
+  CMD curl -f http://localhost:3007/api/health || exit 1
 
 # Start the application
 CMD ["node", "dist/src/main.js"]

backend/services/mpc-service/Dockerfile

@@ -38,10 +38,10 @@ FROM node:20-slim
 
 WORKDIR /app
 
-# Install OpenSSL and wget for health checks
+# Install OpenSSL and curl for health checks
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl \
-    wget \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Install production dependencies only
@@ -70,7 +70,7 @@ EXPOSE 3006
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD wget -q --spider http://localhost:3006/api/v1/health || exit 1
+  CMD curl -f http://localhost:3006/api/v1/health || exit 1
 
 # Start service
 CMD ["node", "dist/main.js"]

backend/services/reporting-service/Dockerfile

@@ -40,10 +40,10 @@ FROM node:20-slim
 
 WORKDIR /app
 
-# Install OpenSSL and wget for health checks
+# Install OpenSSL and curl for health checks
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl \
-    wget \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Install production dependencies only
@@ -71,7 +71,7 @@ EXPOSE 3008
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD wget -q --spider http://localhost:3008/api/v1/health || exit 1
+  CMD curl -f http://localhost:3008/api/v1/health || exit 1
 
 # Start service
 CMD ["node", "dist/src/main.js"]

backend/services/reward-service/Dockerfile

@@ -38,10 +38,10 @@ FROM node:20-slim
 
 WORKDIR /app
 
-# Install OpenSSL and wget for health checks
+# Install OpenSSL and curl for health checks
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl \
-    wget \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Install production dependencies only
@@ -69,7 +69,7 @@ EXPOSE 3005
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD wget -q --spider http://localhost:3005/health || exit 1
+  CMD curl -f http://localhost:3005/health || exit 1
 
 # Start service
 CMD ["node", "dist/src/main.js"]

backend/services/wallet-service/Dockerfile

@@ -35,10 +35,10 @@ FROM node:20-slim
 
 WORKDIR /app
 
-# Install OpenSSL and wget for health checks
+# Install OpenSSL and curl for health checks
 RUN apt-get update && apt-get install -y --no-install-recommends \
     openssl \
-    wget \
+    curl \
     && rm -rf /var/lib/apt/lists/*
 
 # Install production dependencies only
@@ -64,7 +64,7 @@ EXPOSE 3001
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
-  CMD wget -q --spider http://localhost:3001/api/v1/health || exit 1
+  CMD curl -f http://localhost:3001/api/v1/health || exit 1
 
 # Start service
 CMD ["node", "dist/main.js"]