✨ multi stage build

services/docker-base/Dockerfile

@@ -1,12 +1,19 @@
-FROM golang:1.11.1-stretch
-
-RUN go get -u github.com/golang/dep/cmd/dep
-
+FROM golang:1.11.1-stretch as develop
 WORKDIR /apps
-
+RUN go get -u github.com/golang/dep/cmd/dep
 ENV GOROOT /usr/local/go/
 ENV GOPATH /apps/go
-
 ENV PATH $PATH:$GOROOT/bin:$GOPATH/bin
 
 
+FROM golang:1.11.1-stretch as build
+WORKDIR /apps
+COPY ./apps /apps
+ADD . /apps
+RUN go build -o hello hello.go
+
+
+FROM busybox as release
+WORKDIR /apps
+COPY --from=build /apps/hello /usr/local/bin/hello
+ENTRYPOINT ["/usr/local/bin/hello"]

services/docker-base/docker-compose.yml

@@ -1,12 +1,14 @@
-version: '2'
+version: '2.3'
 
 services:
 
   base-container:
     container_name: base-container
     hostname: base-container
     image: base-container
-    build: ${PWD}/.
+    build:
+      context: ${PWD}/.
+      target: release
     networks:
       base-net:
         ipv4_address: 172.56.0.2

services/docker-network.yml

@@ -1,4 +1,4 @@
-version: '2'
+version: '2.3'
 
 networks:
   base-net: