Create Dockerfile

Dockerfile

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+# ---- Stage 1: Build the TypeScript project ----
+# We use the full Node.js image to build the app and name this stage "builder".
+FROM node:20-bullseye-slim AS builder
+
+# Set the working directory
+WORKDIR /app
+
+# Enable pnpm, the package manager you're using
+RUN corepack enable
+
+# Copy only the necessary files to install dependencies
+# This leverages Docker's layer caching for faster rebuilds.
+COPY package.json pnpm-lock.yaml* ./
+
+# Install ALL dependencies, including devDependencies like 'typescript' needed for the build
+RUN pnpm install
+
+# Copy the rest of your source code
+COPY . .
+
+# Run the build script ("tsc") from your package.json.
+# This creates the essential '/dist' folder with your compiled JavaScript.
+RUN pnpm build
+
+
+# ---- Stage 2: Create the final, lightweight production image ----
+# We start from a fresh, clean base image to keep it small and secure.
+FROM node:20-bullseye-slim
+
+# Install only essential system dependencies. ffmpeg is often needed for Baileys media handling.
+RUN apt-get update && apt-get install -y --no-install-recommends ffmpeg && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# Set the working directory
+WORKDIR /app
+
+# Enable pnpm
+RUN corepack enable
+
+# Switch to the built-in, non-root 'node' user for better security
+USER node
+
+# Copy dependency files from the context
+COPY --chown=node:node package.json pnpm-lock.yaml* ./
+
+# Install ONLY production dependencies, skipping devDependencies
+RUN pnpm install --prod
+
+# Copy the compiled code from the 'builder' stage into our final image
+COPY --chown=node:node --from=builder /app/dist ./dist
+
+# Create a directory for session data as the 'node' user
+# For Hugging Face, you MUST make this persistent in your README.md
+RUN mkdir ./auth
+
+# Set the command to run your application using the "start" script.
+CMD [ "pnpm", "start" ]