Dockerfile

FROM node:18-alpine

# Create user with UID 1001 (since 1000 is taken by node user)
RUN adduser -D -u 1001 user

# Set up environment variables
ENV HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

# Create and set up app directory with proper permissions
WORKDIR $HOME/app
RUN mkdir -p $HOME/app && \
    chown -R user:user $HOME/app

# Switch to the user
USER user

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

# Install dependencies
RUN npm install

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

# Build the application
RUN npm run build

# Expose port
EXPOSE 7860

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