adds support for latest builds in master (#279)

* adds support for latest builds in master

- adds static and generated to gitignore
- makes static and generated targets phony so they're always generated
- generated manifests use the `latest` tag by default if VERSION not
  provided for the Kubeapps core components

* don't push docker images in pull requests

.gitignore

@@ -1,5 +1,6 @@
 /kubeapps
 /statik
+/generated
 .GOPATH
 *.*~
 telepresence.log

.travis.yml

@@ -60,9 +60,13 @@ jobs:
     script: make VERSION="$VERSION" $IMAGE
     after_success:
     - |
-      if [[ -n "$TRAVIS_TAG" ]]; then
+      if [[ "$TRAVIS_PULL_REQUEST" == "false" && "$TRAVIS_BRANCH" == "master" ]]; then
         docker login -u="${DOCKER_USERNAME}" -p="${DOCKER_PASSWORD}"
-        docker push $IMAGE:$VERSION
+        if [[ -n "$TRAVIS_TAG" ]]; then
+          docker push $IMAGE:$VERSION
+        fi
+        docker tag $IMAGE:$VERSION $IMAGE:latest
+        docker push $IMAGE:latest
       fi
   - <<: *imageBuild
     env: IMAGE=kubeapps/chartsvc

Makefile

@@ -23,7 +23,7 @@ $(EMBEDDED_STATIC): static/kubeapps-objs.yaml
 	$(GO) generate
 
 static/kubeapps-objs.yaml:
-	KUBEAPPS_VERSION=$$(git describe --tags --abbrev=0) ;\
+	KUBEAPPS_VERSION=$${VERSION:-latest} ;\
 	pushd manifests/vendor/kubeless ;\
 	KUBELESS_VERSION=$$(git describe --tags --abbrev=0) ;\
 	popd ;\
@@ -44,4 +44,4 @@ vet:
 clean:
 	$(RM) ./kubeapps ./chart-repo ./statik $(EMBEDDED_STATIC) static/kubeapps-objs.yaml
 
-.PHONY: default test fmt vet clean build-prep chart-repo kubeapps
+.PHONY: default test fmt vet clean build-prep chart-repo kubeapps $(EMBEDDED_STATIC) static/kubeapps-objs.yaml

static/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore