Temp

backend/Dockerfile

@@ -0,0 +1,27 @@
+# backend/Dockerfile
+
+# 1. Use a lightweight Node image
+FROM node:18-alpine
+
+# 2. Install build tools
+RUN apk add --no-cache python3 make g++
+
+# 3. Set workdir
+WORKDIR /app
+
+# 4. Copy dependency manifests & install
+COPY package*.json ./
+RUN npm install
+
+# 5. Copy source code
+COPY . .
+
+# 6. Set environment variables
+ENV NODE_ENV=development
+ENV PORT=4000
+
+# 7. Expose the port your API listens on
+EXPOSE 4000
+
+# 8. Start the app
+CMD ["npm", "run", "dev"] 

backend/dbServer.js

@@ -1,7 +1,7 @@
 const { Pool } = require("pg");
 // Create a connection to the database.
 const dbServer = new Pool({
-  host: "localhost",
+  host: "postgres_db",
   port: 5432,
   database: "postgres",
   user: "postgres",

backend/docker-compose.yaml

@@ -1,5 +1,15 @@
-
 services:
+    backend:
+        build: .
+        ports:
+            - "4000:4000"
+        depends_on:
+            postgres_db:
+                condition: service_healthy
+        environment:
+            - NODE_ENV=development
+            - PORT=4000
+
     postgres_db:
         image: postgres:16-alpine
         volumes:
@@ -10,6 +20,11 @@ services:
             POSTGRES_DB: postgres
             POSTGRES_USER: postgres
             POSTGRES_PASSWORD: "028469"
+        healthcheck:
+            test: ["CMD-SHELL", "pg_isready -U postgres"]
+            interval: 5s
+            timeout: 5s
+            retries: 5
 
 volumes:
     postgres_db_data: