Dockerfile

# Secret Swap – Docker image
# Uses lightweight Alpine Node base

FROM node:20-alpine

# Create app directory
WORKDIR /app

# Install production dependencies
COPY package*.json ./
RUN npm install --omit=dev

# Copy source
COPY . .

# Hugging Face exposes its own $PORT; default to 7860 for local runs
ENV PORT=${PORT:-7860}
EXPOSE 7860

# Launch the server
CMD ["node", "server.js"]