Commit.

.gitignore

+# Next.js build output
+.next
+out/
+
+# Node modules
 node_modules/
-.env
-dist/
+
+# Environment variables
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Logs
 *.log

docker/Dockerfile

+# Use an official Node.js runtime as a parent image
+FROM node:16-alpine
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy package.json and package-lock.json (or yarn.lock) into the container
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of your app's source code
+COPY . .
+
+# Build your Next.js app
+RUN npm run build
+
+# Expose port 3000 to the outside once the container is running
+EXPOSE 3000
+
+# Define the command to run your app using npm start script
+CMD ["npm", "start"]

docker/Dockerfile/docker-compose.yml → docker/docker-compose.yml

 version: '3.8'
 services:
   web:
-    image: node:14
-    volumes:
-      - ./:/usr/src/app
-    working_dir: /usr/src/app
-    command: npm start
+    build: .
     ports:
-      - "3000:3000"
+      - '3000:3000'
+    volumes:
+      - .:/app
+      - /app/node_modules
     environment:
-      NODE_ENV: development
\ No newline at end of file
+      - NODE_ENV=development
+    command: npm run dev