add healthcheck to frontend Dockerfile + prevent /health endpoint to be exposed in nginx.conf

Author: Jonathazn

Dockerfile.backend

@@ -25,5 +25,8 @@ COPY . .
 # Expose the port your backend server listens on
 EXPOSE 3010
 
+# Healthcheck
+HEALTHCHECK --interval=5s --timeout=10s --retries=5 CMD ["curl", "http://127.0.0.1:3010/health"]
+
 # Command to run the backend server
 CMD ["node", "SparkyFitnessServer.js"]

Dockerfile.frontend

@@ -24,5 +24,8 @@ COPY nginx.conf /etc/nginx/conf.d/default.conf
 # Expose port 80
 EXPOSE 80
 
+# Healthcheck
+HEALTHCHECK --interval=5s --timeout=10s --retries=5 CMD ["curl", "http://127.0.0.1"]
+
 # Start Nginx
 CMD ["nginx", "-g", "daemon off;"]

nginx.conf

@@ -11,6 +11,10 @@ server {
     try_files $uri $uri/ /index.html;
   }
 
+  location ~ ^(/api/health/)($) {
+    deny all;
+  }
+
   location /api/ {
     proxy_pass http://sparkyfitness-server:3010/;
     proxy_set_header Host $host;