Fix nginx healthcheck: use pid file, fix pgadmin healthcheck: use file-size check for busybox wget

docker-compose.yml

@@ -69,7 +69,7 @@ services:
     networks:
       - tckdev_net
     healthcheck:
-      test: ["CMD-SHELL", "wget -q http://localhost/ -O /dev/null || exit 1"]
+      test: ["CMD-SHELL", "test -f /var/run/nginx.pid"]
       interval: 10s
       timeout: 5s
       retries: 3
@@ -97,7 +97,7 @@ services:
       - tckdev_net
     restart: unless-stopped
     healthcheck:
-      test: ["CMD-SHELL", "wget -q http://localhost:80/login -O /dev/null || exit 1"]
+      test: ["CMD-SHELL", "wget http://localhost:80/login -O /tmp/hc 2>/dev/null; test -s /tmp/hc"]
       interval: 30s
       timeout: 10s
       retries: 3