Merge pull request #13 from unacast/docker-publish

Use github actions to publish to docker hub

.github/main.workflow

@@ -1,6 +1,6 @@
 workflow "Build" {
   on = "push"
-  resolves = "Docker build"
+  resolves = "Publish"
 }
 
 action "Lint" {
@@ -21,3 +21,22 @@ action "Docker build" {
   runs = "make"
   args = "build"
 }
+
+action "Publish Filter" {
+  needs = ["Docker build"]
+  uses = "actions/bin/filter@master"
+  args = "branch master"
+}
+
+action "Docker Login" {
+  needs = ["Publish Filter"]
+  uses = "actions/docker/login@master"
+  secrets = ["DOCKER_USERNAME", "DOCKER_PASSWORD"]
+}
+
+action "Publish" {
+  needs = ["Docker Login"]
+  uses = "actions/action-builder/docker@master"
+  runs = "make"
+  args = "publish"
+}

Makefile

@@ -22,4 +22,8 @@ test: ## Call the 'test' target on all sub-modules
 .PHONY: dev-all
 dev-all: lint build test
 
+.PHONY: publish
+publish: ## Call the 'publish' target on all sub-modules
+	$(foreach mod,$(MODULES),($(MAKE) -C $(mod) $@) || exit $$?;)
+
 include help.mk

README.md

@@ -1,2 +1,5 @@
 # actions
 Various Github Actions
+
+# Dockerhub 
+Images are deployed to https://cloud.docker.com/u/unacast/repository/