# Use Node.js 20 Alpine version as the base image
FROM node:20-alpine

# Set environment variables
ENV NODE_ENV=development \
    PNPM_HOME="/pnpm" \
    PATH="$PNPM_HOME:$PATH"

# Install prerequisites using apk (Alpine package manager)
# Add git, python3, make, g++ (build-base provides make/g++)
RUN apk add --no-cache \
      git \
      python3 \
      build-base

# Install pnpm globally using npm (common method on Alpine)
RUN npm install -g pnpm --loglevel error # Added --loglevel error to reduce npm noise

# Verify pnpm installation
RUN pnpm --version

# Set the working directory
WORKDIR /app

# Copy package manifests
# IMPORTANT: Ensure package.json contains the "packageManager" field for reliability
COPY package*.json ./
COPY pnpm-lock.yaml* ./

# Install ALL dependencies using pnpm (needed for devDependencies like vite-node)
RUN pnpm install --frozen-lockfile

# Copy the rest of your application code
COPY . .

# Create directories and set wide-open permissions (as requested in example)
# WARNING: chmod 777 is a potential security risk.
# WARNING: Data in these /app directories WILL NOT PERSIST on Hugging Face Spaces restarts!
RUN mkdir -p ./session ./downloads ./auth_info_baileys && \
    chmod -R 777 ./session ./downloads ./auth_info_baileys

# --- Create Non-Root User for Alpine ---
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
# Change ownership of the app directory AFTER copying all code and creating subdirs
RUN chown -R appuser:appgroup /app
# --- End User Creation ---

# Switch to the non-root user
USER appuser

# Expose the port your application listens on (assuming 7860)
EXPOSE 7860

# The command to run your application using pnpm in dev mode (matches package.json script)
CMD ["pnpm", "run", "dev"]