Publish to docker hub in CI job

Makefile

@@ -1,14 +1,14 @@
 SHELL := /bin/bash -eu
 CMDS := $(wildcard cmd/*)
-IMGS := $(subst cmd,envcheck,${CMDS})
+IMGS := ${DOCKER_REPO}/envcheck-pinger ${DOCKER_REPO}/envcheck-daemon
 SRC := $(wildcard cmd/**/*.go) $(wildcard *.go)
 GIT_SHA := $(shell git rev-parse --short HEAD)
 
 .PHONY: all
 all: vet lint coverage envcheckctl
 
 .PHONY: publish
-publish: $(IMGS) all
+publish: all $(IMGS)
 
 .PHONY: test
 test: cover.out
@@ -60,10 +60,9 @@ clean:
 	rm -f *.out
 	go clean -i ./...
 
-# TODO: Optimise so it only executes on code changes.
-# build a docker container per command
-.PHONY: envcheck/%
-envcheck/%:
-	docker build . -t ${DOCKER_REPO}/$@:latest -t ${DOCKER_REPO}/$@:${GIT_SHA} --build-arg CMD_PATH=./cmd/$(subst envcheck/,,$@) --build-arg GIT_SHA=${GIT_SHA}
-	docker push ${DOCKER_REPO}/$@:${GIT_SHA}
-	docker push ${DOCKER_REPO}/$@:latest
+# build a docker container per service
+.PHONY: ${DOCKER_REPO}/
+${DOCKER_REPO}/%:
+	docker build . -t $@:latest -t $@:${GIT_SHA} --build-arg CMD_PATH=./cmd/$(subst ${DOCKER_REPO}/envcheck-,,$@) --build-arg GIT_SHA=${GIT_SHA}
+	docker push $@:${GIT_SHA}
+	docker push $@:latest

base/daemon.yaml

@@ -17,7 +17,7 @@ spec:
       hostNetwork: true
       containers:
         - name: envchecker
-          image: 192.168.253.99:5001/envcheck/daemon:latest
+          image: instana/envcheck-daemon:latest
           imagePullPolicy: Always
           env:
             - name: NAME

base/pinger.yaml

@@ -15,7 +15,7 @@ spec:
     spec:
       containers:
         - name: pinger
-          image: 192.168.253.99:5001/envcheck/pinger:latest
+          image: instana/envcheck-pinger:latest
           imagePullPolicy: Always
           env:
             - name: NAME

buildspec.yml

@@ -1,10 +1,16 @@
 version: 0.2
+env:
+  parameter-store:
+    DOCKER_USER: "hub.docker.com.user"
+    DOCKER_PASSWORD: "hub.docker.com.password"
 
 phases:
   install:
     runtime-versions:
       golang: 1.14
       docker: 19
+    commands:
+      - docker login --username $DOCKER_USER --password $DOCKER_PASSWORD
   build:
     commands:
-      - make
+      - make publish