feat(build): add a build target for deploying to heroku

.gitignore

@@ -7,4 +7,3 @@ ui/build
 ui/coverage
 ui/node_modules
 vendor
-Dockerfile.web

Dockerfile.web

@@ -0,0 +1,12 @@
+FROM alpine:latest
+COPY --from=lmierzwa/unsee:latest /unsee /unsee
+RUN adduser -D unsee
+USER unsee
+ENV LOG_CONFIG=false
+ENV ALERTMANAGER_INTERVAL=2400h
+ENV ALERTMANAGER_URI=file:///mock
+ENV LABELS_COLOR_UNIQUE="@receiver instance cluster"
+ENV LABELS_COLOR_STATIC="job"
+ENV FILTERS_DEFAULT="@receiver=by-cluster-service"
+COPY internal/mock/0.15.2 /mock
+CMD /unsee

Makefile

@@ -149,3 +149,9 @@ greenkeeper-lockfile:
 	npm install -g greenkeeper-lockfile@2
 	cd ui && greenkeeper-lockfile-update
 	cd ui && greenkeeper-lockfile-upload
+
+.PHONY: heroku
+heroku:
+	docker pull lmierzwa/unsee:latest
+	heroku container:push web -R
+	heroku container:release web