Dockerfile

# Use the official Node.js image as the base image
FROM node:14

# Set the working directory inside the container
WORKDIR /app

# Change ownership of the working directory to the non-root user
RUN adduser --disabled-password --gecos '' --shell /bin/bash user \
 && chown -R user:user /app
RUN echo "user ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/90-user
USER user

# All users can use /home/user as their home directory
ENV HOME=/home/user
RUN mkdir $HOME/.cache $HOME/.config \
 && chmod -R 777 $HOME

WORKDIR $HOME/app

#######################################
# Start root user section
#######################################

USER root

# Copy package.json and package-lock.json to the working directory
COPY package*.json ./


# Copy the current directory contents into the container at $HOME/app setting the owner to the user
COPY --chown=user . $HOME/app


# Install the dependencies
RUN npm ci

# Copy the rest of the application code to the working directory
COPY --chown=user . .

# Expose the port the app will run on
EXPOSE 3001

# Start the application
CMD ["npm", "run", "dev"]