Dockerfile

# Use an official Node.js 20 image as the base (matches CI)
FROM node:20-bullseye

# Install Python and pip (used by the PDF generators)
RUN apt-get update && apt-get install -y python3 python3-pip && \
    rm -rf /var/lib/apt/lists/*

# Create and set the working directory
WORKDIR /app

# Copy manifests first for efficient caching.
# .npmrc carries `legacy-peer-deps=true` and MUST be present before `npm install`
# (Better-Auth declares optional framework peers that otherwise conflict).
COPY package*.json .npmrc ./
COPY requirements.txt ./

# Install Node.js dependencies
RUN npm install

# Install Python dependencies
RUN pip3 install -r requirements.txt

# Copy the rest of the repository
COPY . .

# Generate the Prisma client against the real schema. `npm install` ran before
# the schema was present, so @prisma/client only has a throwing stub until now.
RUN npx prisma generate

# Set environment to production
ENV NODE_ENV=production

# Self-hosted file storage (replaces Firebase Storage). Mount a persistent
# Podman/Docker volume here so uploaded receipts survive redeploys.
ENV STORAGE_DIR=/app/storage
RUN mkdir -p /app/storage
VOLUME ["/app/storage"]

# Build the Next.js application
RUN npm run build

# The app listens on 3100 (see `next start -p 3100`)
EXPOSE 3100

# Start the Next.js server
CMD ["npm", "run", "start"]