added health check for each of the services

app/server.js

@@ -36,6 +36,12 @@ app.use("/user/register", registerRoutes);
 app.use("/popcen", authenticateToken, popcenRoutes);
 app.use("/popcenCount", authenticateToken, popcenCountRoutes); 
 
+
+app.get('/health', (req, res) => {
+  res.status(200).send('OK');
+});
+
+
 const PORT = process.env.PORT || 3000;
 app.listen(PORT, '0.0.0.0', () => {
   console.log(`Server is running on port ${PORT} in ${process.env.NODE_ENV || 'development'} mode`);

portainer.yml

@@ -10,12 +10,14 @@ services:
       MYSQL_DATABASE: popcenauth
       MYSQL_USER: admin
     ports:
-      - "3308:3306" # Different port for the auth DB
+      - "3308:3306"
     volumes:
-      #- D:/Projects/AuthenticatedAPIDocker/app/mysql/etc/mysql/mysqlauth/etc:/etc
       - D:/Projects/AuthenticatedAPIDocker/app/mysql/mysqldata_auth:/var/lib/mysql
-    # extra_hosts:
-    #   - "host.docker.internal:host-gateway"
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
 
   # Data Database
   mysql-data:
@@ -26,12 +28,16 @@ services:
       MYSQL_DATABASE: popcen
       MYSQL_USER: admin # Change to root
     ports:
-      - "3309:3306" # Default port for the data DB
+      - "3309:3306"
     volumes:
-      # - D:/Projects/AuthenticatedAPIDocker/app/mysql/etc/mysql/mysqldata/etc:/etc
       - D:/Projects/AuthenticatedAPIDocker/app/mysql/mysqldata:/var/lib/mysql
     extra_hosts:
       - "host.docker.internal:host-gateway"
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
 
   # Node.js Service
   nodejs:
@@ -46,12 +52,10 @@ services:
       # Auth DB connection
       AUTH_DB_HOST: mysql-auth
       AUTH_DB_USER: root
-      #AUTH_DB_PORT: 3306
       AUTH_DB_NAME: popcenauth
 
       # Data DB connection
       DATA_DB_HOST: mysql-data
-      #DATA_DB_PORT: 3306
       DATA_DB_USER: root
       DATA_DB_NAME: popcen
 
@@ -59,6 +63,11 @@ services:
       - mysql-auth
       - mysql-data
     command: "node server.js"
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:3000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
 
 volumes:
   mysqldata_auth: