## build runner
FROM node:20-slim as build-runner

ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable

# Set temp directory
WORKDIR /tmp/app

# Move package.json
COPY package.json .

# Install dependencies
RUN pnpm install

# Move source files
COPY src ./src
COPY tsconfig.json   .
COPY tsup.config.ts   .

# Build project
RUN pnpm build

## production runner
FROM node:20-slim as prod-runner

ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN corepack enable

# Set work directory
WORKDIR /app

# Copy package.json from build-runner
COPY --from=build-runner /tmp/app/package.json /app/package.json

# Install dependencies
RUN pnpm install --prod

# Move build files
COPY --from=build-runner /tmp/app/build /app/build

# Start bot
CMD [ "pnpm", "start" ]