Dockerfile

# Start from Ubuntu:22.04 as the base image
FROM ubuntu:22.04

# Set environment variables to avoid interactive prompts during installation
ENV DEBIAN_FRONTEND=noninteractive

# Update package lists and install Node.js
RUN apt-get update && \
    apt-get install -y ca-certificates curl gnupg && \
    mkdir -p /etc/apt/keyrings && \
    curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor -o /etc/apt/keyrings/nodesource.gpg && \
    echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_18.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list && \
    apt-get update && \
    apt-get install -y nodejs && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Set working directory inside the container
WORKDIR /app

# Copy package.json and package-lock.json first
COPY package*.json ./

# Install Node.js dependencies
RUN npm install

# Copy the rest of the application code
COPY . .

# Build the Next.js application
RUN npm run build

# Expose port 8000 to the outside world
EXPOSE 8000

# Command to run the Node.js application
CMD ["npm", "run", "start"]