Add Docker support (WIP)

.devcontainer/Dockerfile

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+# Use official Node.js image as base
+FROM node:18
+
+# Set working directory in the container
+WORKDIR /app
+
+# Copy package.json and lock file first (for caching)
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy the rest of the app
+COPY . .
+
+# Build the app
+RUN npm run build
+
+# Expose port Next.js runs on
+EXPOSE 3000
+
+# Start the app
+CMD ["npm", "start"]

.dockerignore

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+node_modules
+.next
+Dockerfile
+docker-compose.yml
+*.log

docker-compose.yml

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+
+services:
+  app:
+    build:       
+      context: .
+      dockerfile: .devcontainer/Dockerfile
+    ports:
+      - "3000:3000"
+    environment:
+      - NODE_ENV=production