chore: configure healthchecks in all services

backend-rest-go/Dockerfile

@@ -16,4 +16,7 @@ COPY --from=builder /app/server .
 
 EXPOSE 8080
 
+
+HEALTHCHECK --interval=10s --timeout=1s --retries=3 CMD wget --tries=1 --spider http://localhost:8080/healthz || exit 1
+
 CMD ["./server"]

backend-rest-js/Dockerfile

@@ -13,4 +13,7 @@ FROM node:18-alpine as production
 WORKDIR /app
 COPY --from=build /app/dist/ ./dist/
 
+
+HEALTHCHECK --interval=10s --timeout=1s --retries=3 CMD wget --tries=1 --spider http://localhost:8080/healthz || exit 1
+
 CMD ["node", "dist/index.js"]

backend-rest-js/src/index.js

@@ -11,6 +11,10 @@ app.use((req, res, next) => {
   next();
 });
 
+app.get("/healthz", (req, res) => {
+  res.json(`{"message": "OK"}`);
+});
+
 app.use("/v0", v0);
 v0.use("/tasks", tasks);
 

compose.e2e-cypress.yaml

@@ -4,7 +4,8 @@ services:
       dockerfile: Dockerfile
       context: e2e-cypress
     depends_on:
-      - webapp
+      webapp:
+        condition: service_healthy
     volumes:
       - ./e2e-cypress/cypress/screenshots:/app/cypress/screenshots
       - .env:/app/.env

compose.frontend-htmx-go.yaml

@@ -4,7 +4,8 @@ services:
       context: ./webapp-htmx-go
       dockerfile: Dockerfile
     depends_on:
-      - backend
+      backend:
+        condition: service_healthy
     env_file:
       - .env
     environment:

compose.frontend-nextjs.yaml

@@ -4,8 +4,10 @@ services:
       dockerfile: Dockerfile
       context: ./webapp-nextjs
     depends_on:
-      - backend
+      backend:
+        condition: service_healthy
     volumes:
       - .env:/app/.env.local
+
 
 

webapp-htmx-go/Dockerfile

@@ -17,4 +17,7 @@ COPY --from=builder /app/templates ./templates
 
 EXPOSE 8080
 
+
+HEALTHCHECK --interval=10s --timeout=1s --retries=3 CMD wget --tries=1 --spider http://localhost:8080/healthz || exit 1
+
 CMD ["./server"]

webapp-htmx-go/cmd/main.go

@@ -46,6 +46,12 @@ func main() {
 		return
 	}
 
+	http.HandleFunc("GET /healthz", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Println("GET /healthz")
+
+		w.Write([]byte(`{"message":"OK" }`))
+	})
+
 	http.HandleFunc("GET /login", func(w http.ResponseWriter, r *http.Request) {
 
 		state, err := generateRandomState()

webapp-nextjs/Dockerfile

@@ -21,4 +21,6 @@ COPY --from=build /app/.next ./.next
 
 EXPOSE 3000
 
+HEALTHCHECK --interval=10s --timeout=1s --retries=3 CMD wget --tries=1 --spider http://localhost:3000 || exit 1
+
 CMD ["npm", "start"]