fix: better healthcheck implementation

Closes #12

compose.yml

@@ -24,6 +24,11 @@ services:
     configs:
       - source: nginx_config
         target: /etc/nginx/nginx.conf
+    healthcheck:
+      test: curl -f http://app:9000/v1/api/ping || exit 1
+      interval: 5s
+      timeout: 3s
+      retries: 10
     deploy:
       restart_policy:
         condition: on-failure
@@ -64,11 +69,10 @@ services:
         mode: 0555
     command: npm start
     healthcheck:
-      test: 'nodejs -e "http.get(''http://localhost:9000/api/v1/ping'', (res) => { console.log(''status: '', res.statusCode); if (res.statusCode == 200) { process.exit(0); } else { process.exit(1); } });"'
-      interval: 1m
-      timeout: 30s
-      retries: 3
-      start_period: 1m
+      test: curl -f http://localhost:9000/v1/api/ping || exit 1
+      interval: 10s
+      timeout: 3s
+      retries: 10
     entrypoint: /docker-entrypoint.sh
     networks:
       - internal
@@ -88,6 +92,11 @@ services:
       - postgres-data:/var/lib/postgresql/data
     networks:
       - internal
+    healthcheck:
+      test: pg_isready
+      interval: 10s
+      timeout: 5s
+      retries: 10
 
   cache:
     image: redis:4-alpine
@@ -95,6 +104,11 @@ services:
       - redis-data:/data
     networks:
       - internal
+    healthcheck:
+      test: redis-cli ping
+      interval: 10s
+      timeout: 5s
+      retries: 10
 
 networks:
   internal: