# Stage 1: Build Frontend
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend
COPY ./frontend/package*.json ./
RUN npm ci
COPY ./frontend ./
RUN npm run build
RUN npm prune --production

# Stage 2: Build Backend
FROM golang:1.22-alpine AS backend-builder
WORKDIR /app/backend
COPY ./backend/go.mod ./backend/go.sum ./
RUN go mod download

RUN apk add --no-cache gcc musl-dev

COPY ./backend ./
WORKDIR /app/backend/cmd
RUN CGO_ENABLED=1 GOOS=linux go build -o /app/backend/pocket-id-backend .

# Stage 3: Production Image
FROM node:20-alpine
RUN apk add --no-cache caddy
COPY ./Caddyfile /etc/caddy/Caddyfile

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

COPY --from=backend-builder /app/backend/pocket-id-backend ./backend/pocket-id-backend
COPY --from=backend-builder /app/backend/migrations ./backend/migrations
COPY --from=backend-builder /app/backend/images ./backend/images

COPY ./scripts ./scripts

EXPOSE 3000
ENV APP_ENV=production

# Use a shell form to run both the frontend and backend
CMD ["sh", "./scripts/docker-entrypoint.sh"]