Docker setup Makefile release publish tasks

CHANGELOG.md

@@ -18,6 +18,7 @@
 - [#5154](https://github.com/blockscout/blockscout/pull/5154) - Fix token counters bug
 
 ### Chore
+- [#5202](https://github.com/blockscout/blockscout/pull/5202) - Docker setup Makefile release/publish tasks
 - [#5195](https://github.com/blockscout/blockscout/pull/5195) - Add Berlin, London to the list of default EVM versions
 - [#5190](https://github.com/blockscout/blockscout/pull/5190) - Set 8545 as default port everywhere except Ganache JSON RPC variant
 - [#5189](https://github.com/blockscout/blockscout/pull/5189) - ENV var to manage pending transactions fetcher switching off

docker/Makefile

@@ -1,10 +1,14 @@
-SYSTEM = $(shell uname -s)
-HOST = host.docker.internal
-DOCKER_IMAGE = blockscout
-BS_CONTAINER_NAME = blockscout
-PG_CONTAINER_NAME = db
-PG_CONTAINER_IMAGE = postgres:13.6
+SYSTEM := $(shell uname -s)
+HOST := host.docker.internal
+DOCKER_REPO := blockscout
+APP_NAME := blockscout
+BS_CONTAINER_IMAGE := ${APP_NAME}
+BS_CONTAINER_NAME := blockscout
+PG_CONTAINER_IMAGE := postgres:13.6
+PG_CONTAINER_NAME := db
 THIS_FILE = $(lastword $(MAKEFILE_LIST))
+BS_NEXT_RELEASE = 4.1.2
+TAG := $(BS_NEXT_RELEASE)-prerelease-$(shell git log -1 --pretty=format:"%h")
 
 ifeq ($(SYSTEM), Linux)
 	HOST=localhost
@@ -382,21 +386,21 @@ ifdef INDEXER_DISABLE_INTERNAL_TRANSACTIONS_FETCHER
 	BLOCKSCOUT_CONTAINER_PARAMS += -e 'INDEXER_DISABLE_INTERNAL_TRANSACTIONS_FETCHER=$(INDEXER_DISABLE_INTERNAL_TRANSACTIONS_FETCHER)'
 endif
 
-HAS_BLOCKSCOUT_IMAGE := $(shell docker images | grep -sw "${DOCKER_IMAGE} ")
+HAS_BLOCKSCOUT_IMAGE := $(shell docker images | grep -sw "${BS_CONTAINER_IMAGE} ")
 build: 
-	@echo "==> Checking for blockscout image $(DOCKER_IMAGE)"
+	@echo "==> Checking for blockscout image $(BS_CONTAINER_IMAGE)"
 ifdef HAS_BLOCKSCOUT_IMAGE
-	@echo "==> Image exist. Using $(DOCKER_IMAGE)"
+	@echo "==> Image exist. Using $(BS_CONTAINER_IMAGE)"
 else
-	@echo "==> No image found trying to build one..."
-	@docker build --build-arg COIN="$(COIN)" -f ./Dockerfile -t $(DOCKER_IMAGE) ../
+	@echo "==> No image found, trying to build one..."
+	@docker build --build-arg COIN="$(COIN)" -f ./Dockerfile -t $(BS_CONTAINER_IMAGE) ../
 endif
 
 migrate_only:
 	@echo "==> Running migrations"
 	@docker run --rm \
 					$(BLOCKSCOUT_CONTAINER_PARAMS) \
-					$(DOCKER_IMAGE) /bin/sh -c "echo $$MIX_ENV && mix do ecto.create, ecto.migrate"
+					$(BS_CONTAINER_IMAGE) /bin/sh -c "echo $$MIX_ENV && mix do ecto.create, ecto.migrate"
 
 migrate: build postgres
 	@$(MAKE) -f $(THIS_FILE) migrate_only
@@ -437,7 +441,7 @@ start: build postgres
 	@docker run --rm --name $(BS_CONTAINER_NAME) \
 					$(BLOCKSCOUT_CONTAINER_PARAMS) \
 					-p 4000:4000 \
-					$(DOCKER_IMAGE) /bin/sh -c "mix phx.server"
+					$(BS_CONTAINER_IMAGE) /bin/sh -c "mix phx.server"
 
 BS_STARTED := $(shell docker ps --filter name=${BS_CONTAINER_NAME} | grep ${BS_CONTAINER_NAME})
 stop:
@@ -458,9 +462,46 @@ endif
 
 run: start
 
+docker-login: ## login to DockerHub with credentials found in env
+	docker login -u ${DOCKER_USERNAME} -p ${DOCKER_PASSWORD}
+
+# Docker release - build, tag and push the container
+release: build publish ## Make a release by building and publishing the `{version}` ans `latest` tagged containers to hub
+
+# Docker publish
+publish: docker-login publish-latest publish-version ## publish the `{version}` ans `latest` tagged containers to hub
+
+publish-latest: tag-latest ## publish the `latest` tagged container to hub
+	@echo 'publish latest to $(DOCKER_REPO)'
+	docker push $(DOCKER_REPO)/$(APP_NAME):latest
+
+publish-version: tag-version ## publish the `{version}` tagged container to hub
+	@echo 'publish $(TAG) to $(DOCKER_REPO)'
+	docker push $(DOCKER_REPO)/$(APP_NAME):$(TAG)
+
+# Docker tagging
+tag: tag-latest tag-version ## Generate container tags for the `{version}` ans `latest` tags
+
+tag-latest: ## Generate container `latest` tag
+	@echo 'create latest tag'
+	docker tag $(APP_NAME) $(DOCKER_REPO)/$(APP_NAME):latest
+
+tag-version: ## Generate container `{version}` tag
+	@echo 'create tag $(TAG)'
+	docker tag $(APP_NAME) $(DOCKER_REPO)/$(APP_NAME):$(TAG)
+
 .PHONY: build \
 				migrate \
 				start \
 				stop \
 				postgres \
-				run 
+				run \
+				docker-login \
+				release \
+				publish \
+				publish-latest \
+				publish-version \
+				tag \
+				tag-latest \
+				tag-version
+