Move development environment into docker container

Dockerfile

@@ -2,7 +2,3 @@ FROM golang:1.14.0
 
 ENV PKG github.com/yuuki/transtracer
 WORKDIR /go/src/$PKG
-
-COPY . .
-
-RUN make build

Makefile

@@ -1,5 +1,4 @@
 export GO111MODULE=on
-export GOFLAGS=-mod=vendor
 export GOOS=linux
 
 PROJECT = transtracer
@@ -9,45 +8,39 @@ DATE = $$(date -u '+%Y-%m-%d_%H:%M:%S')
 BUILD_LDFLAGS = -X $(PKG)/version.commit=$(COMMIT) -X $(PKG)/version.date=$(DATE)
 CREDITS = ./assets/CREDITS
 
-.PHONY: build
-build: build-deps
-	go generate ./...
-	go build -ldflags="$(BUILD_LDFLAGS)" ./cmd/ttracerd/
-	go build -ldflags="$(BUILD_LDFLAGS)" ./cmd/ttctl/
+DOCKER_IMAGE_NAME="transtracer-test"
+DOCKER_CONTAINER_NAME="transtracer-test-container"
+DOCKER = docker run --rm -v $$(PWD):/go/src/github.com/yuuki/transtracer --name $(DOCKER_CONTAINER_NAME) $(DOCKER_IMAGE_NAME)
+container = docker ps -a -q -f "name=$(DOCKER_CONTAINER_NAME)"
 
-.PHONY: build-deps
-build-deps: _build-deps tidy-module
+all: init build
 
-.PHONY: _build-deps
-_build-deps:
-	go get github.com/rakyll/statik
+.PHONY: clean
+clean:
+	@if [ "$(container || true)" != "" ] ; then \
+		docker rm -f $(DOCKER_CONTAINER_NAME) 2>/dev/null; \
+	fi
 
-.PHONY: tidy-module
-tidy-module:
+.PHONY: build
+build: clean
+	go generate ./...
+	$(DOCKER) go build -ldflags="$(BUILD_LDFLAGS)" ./cmd/ttracerd/
+	$(DOCKER) go build -ldflags="$(BUILD_LDFLAGS)" ./cmd/ttctl/
 	go mod tidy
-	go mod vendor
 
 .PHONY: install
 install:
 	go install $(PKG)/cmd/...
 
 .PHONY: test
 test:
-	go test -v ./...
-
-.PHONY: devel-deps
-devel-deps: _devel-deps tidy-module
-
-.PHONY: _devel-deps
-_devel-deps:
-	go get \
-		golang.org/x/lint/golint \
-        golang.org/x/tools/cmd/cover \
-        github.com/mattn/goveralls \
-        github.com/x-motemen/gobump/cmd/gobump \
-        github.com/Songmu/ghch/cmd/ghch \
-        github.com/Songmu/gocredits/cmd/gocredits
+	$(DOCKER) go test -v ./...
+	go mod tidy
 
+.PHONY: lint
+lint:
+	# golangci-lint run ./... error: failed prerequisites:
+	$(DOCKER) golint -set_exit_status $$(go list -mod=vendor ./...)
 
 .PHONY: credits
 credits: devel-deps
@@ -56,11 +49,25 @@ ifneq (,$(git status -s $(CREDITS)))
 	go generate -x ./...
 endif
 
-.PHONY: lint
-lint:
-	# golangci-lint run ./... error: failed prerequisites:
-	golint -set_exit_status $$(go list -mod=vendor ./...)
-
 .PHONY: release
-release: devel-deps credits
+release: credits
 	_tools/release
+
+init: deps docker-build
+
+.PHONY: deps
+deps:
+	sh -c '\
+		tmpdir=$$(mktemp -d); \
+		cd $$tmpdir; \
+		go get -u \
+			github.com/rakyll/statik \
+			golang.org/x/lint/golint \
+			github.com/x-motemen/gobump/cmd/gobump \
+			github.com/Songmu/ghch/cmd/ghch \
+			github.com/Songmu/gocredits/cmd/gocredits; \
+		rm -rf $$tmpdir'
+
+.PHONY: docker-build
+docker-build:
+	docker build -t $(DOCKER_IMAGE_NAME) .