FROM node:18-alpine

# Set up a new user named "user" with user ID 1000
RUN adduser -D user || adduser -D -u 1001 user

# Switch to the "user" user
USER user

# Set home to the user's home directory
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Set the working directory
WORKDIR $HOME/app

# Copy package files
COPY --chown=user viewer/package*.json ./

# Install dependencies
RUN npm install

# Copy the entire viewer directory
COPY --chown=user viewer/ .

# Ensure proper file permissions and ownership
RUN chmod -R 755 . && \
    chown -R user:user .

# Build the application
RUN npm run build

# Expose port
EXPOSE 7860

# Start the application
CMD ["npm", "run", "preview", "--", "--port", "7860", "--host"]