FROM node:alpine AS frontend_builder
WORKDIR /app
COPY package.json package-lock.json ./
RUN npm ci
COPY src ./src
COPY public ./public
COPY tsconfig.json ./
COPY index.html ./
RUN npm run build

FROM golang:alpine AS server_builder
WORKDIR /app
COPY go.mod ./
RUN go mod download
COPY main.go ./
COPY --from=frontend_builder /app/dist ./dist
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o main

FROM alpine:latest
WORKDIR /app
RUN apk add --no-cache ca-certificates
COPY --from=server_builder /app/main ./main
COPY --from=server_builder /app/dist ./dist
EXPOSE 8181
CMD ["./main"]