Dockerfile

ARG VARIANT=23
FROM node:${VARIANT} AS backend-builder
WORKDIR /app/backend
COPY backend/package.json backend/package-lock.json ./
RUN npm install
COPY backend/ ./
RUN npm run build

FROM node:${VARIANT} AS frontend-builder
WORKDIR /app/frontend
COPY frontend/package.json frontend/package-lock.json ./
RUN npm install
COPY frontend/ ./
RUN npm run build

FROM node:${VARIANT}
WORKDIR /app

COPY --from=backend-builder /app/backend/dist ./backend/dist
COPY --from=backend-builder /app/backend/package.json ./backend/package.json
COPY --from=backend-builder /app/backend/node_modules ./backend/node_modules
COPY --from=backend-builder /app/backend/github-manifest.json ./backend/github-manifest.json

COPY --from=frontend-builder /app/frontend/dist ./frontend/dist
COPY --from=frontend-builder /app/frontend/package.json ./frontend/package.json
COPY --from=frontend-builder /app/frontend/node_modules ./frontend/node_modules

WORKDIR /app/backend

EXPOSE 80

CMD node dist/app.js | ./node_modules/.bin/bunyan