Dockerfile

# Use a specific version of the node image as a base
FROM node:16-alpine

# Install OpenJDK (Java)
RUN apk add --no-cache python3 py3-pip g++

# Set working directory
WORKDIR /code

# Copy package.json and package-lock.json and install dependencies
COPY package*.json ./
RUN npm install --production

# Copy the rest of the application files
COPY . .

# Create a directory for temporary Java files
RUN mkdir -p /code/temp && \
    chmod 777 /code/temp

# Expose port
EXPOSE 7860

# Set user to non-root
USER node

# Start Node.js application
CMD ["node", "index.js"]