Dockerfile

# Backend Build
FROM golang:1.13-alpine as builder
RUN apk update && apk add --no-cache git ca-certificates && update-ca-certificates

WORKDIR /app

COPY ./backend/go.mod .
COPY ./backend/go.sum .
RUN go mod download

COPY ./backend .
RUN CGO_ENABLED=0 go build -o ./bin/kafka-owl ./cmd/api
# Compiled backend binary is in '/app/bin/' named 'kafka-owl'



# Frontend Build
# copy frontend (to /app/frontend/) and build it
FROM node:12-alpine as frontendBuilder
WORKDIR /app
ENV PATH /app/node_modules/.bin:$PATH

COPY ./frontend/package.json ./package.json
RUN npm install

COPY ./frontend ./
RUN npm run build
# All the built frontend files for the SPA are now in '/app/build/'



# Create executable image
FROM alpine:3.10
WORKDIR /app
COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
COPY --from=builder /app/bin/kafka-owl /app/kafka-owl

COPY --from=frontendBuilder /app/build/ /app/build


ENV VERSION "1.0.0"

ENTRYPOINT ["./kafka-owl"]