fix: align docker health checks with runtime image

deploy/Dockerfile

@@ -105,7 +105,7 @@ EXPOSE 8080
 
 # Health check
 HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
-    CMD curl -f http://localhost:${SERVER_PORT:-8080}/health || exit 1
+    CMD wget -q -T 5 -O /dev/null http://localhost:${SERVER_PORT:-8080}/health || exit 1
 
 # Run the application
 ENTRYPOINT ["/app/sub2api"]

deploy/docker-compose.local.yml

@@ -154,7 +154,7 @@ services:
     networks:
       - sub2api-network
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
+      test: ["CMD", "wget", "-q", "-T", "5", "-O", "/dev/null", "http://localhost:8080/health"]
       interval: 30s
       timeout: 10s
       retries: 3

deploy/docker-compose.standalone.yml

@@ -94,7 +94,7 @@ services:
       - GEMINI_CLI_OAUTH_CLIENT_SECRET=${GEMINI_CLI_OAUTH_CLIENT_SECRET:-}
       - ANTIGRAVITY_OAUTH_CLIENT_SECRET=${ANTIGRAVITY_OAUTH_CLIENT_SECRET:-}
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
+      test: ["CMD", "wget", "-q", "-T", "5", "-O", "/dev/null", "http://localhost:8080/health"]
       interval: 30s
       timeout: 10s
       retries: 3

deploy/docker-compose.yml

@@ -146,7 +146,7 @@ services:
     networks:
       - sub2api-network
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
+      test: ["CMD", "wget", "-q", "-T", "5", "-O", "/dev/null", "http://localhost:8080/health"]
       interval: 30s
       timeout: 10s
       retries: 3