Cleanup and fix some items in the Dockerfile and Makefile. Release 0.3

Dockerfile

@@ -1,12 +1,4 @@
-FROM debian:jessie
-
-RUN apt-get update && apt-get install -y make git apt-utils curl vim gcc
-
-ENV GO_VERSION 1.6
-RUN curl -fsSL "https://storage.googleapis.com/golang/go${GO_VERSION}.linux-amd64.tar.gz" \
-	| tar -xzC /usr/local
-ENV PATH /go/bin:/usr/local/go/bin:$PATH
-ENV GOPATH /go
+FROM golang:1.7
 
 ENV GO_TOOLS_COMMIT 823804e1ae08dbb14eb807afc7db9993bc9e3cc3
 # Grab Go's cover tool for dead-simple code coverage testing
@@ -31,8 +23,5 @@ RUN set -x \
 		go build -o /usr/local/bin/registry github.com/docker/distribution/cmd/registry \
 	&& rm -rf "$GOPATH"
 
+# The source is bind-mounted into this folder
 WORKDIR /go/src/github.com/estesp/manifest-tool
-
-COPY . /go/src/github.com/estesp/manifest-tool
-
-RUN go build -o manifest

Makefile

@@ -7,30 +7,34 @@ MANINSTALLDIR=${PREFIX}/share/man
 GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
 DOCKER_IMAGE := manifest-tool-dev$(if $(GIT_BRANCH),:$(GIT_BRANCH))
 # set env like gobuildtag?
-DOCKER_FLAGS := docker run --rm -i #$(DOCKER_ENVS)
+DOCKER_RUN := docker run --rm -i #$(DOCKER_ENVS)
 # if this session isn't interactive, then we don't want to allocate a
 # TTY, which would fail, but if it is interactive, we do want to attach
 # so that the user can send e.g. ^C through.
 INTERACTIVE := $(shell [ -t 0 ] && echo 1 || echo 0)
 ifeq ($(INTERACTIVE), 1)
-	DOCKER_FLAGS += -t
+	DOCKER_RUN += -t
 endif
-DOCKER_RUN_DOCKER := $(DOCKER_FLAGS) "$(DOCKER_IMAGE)"
+DOCKER_RUN_DOCKER := $(DOCKER_RUN) -v $(shell pwd):/go/src/github.com/estesp/manifest-tool -w /go/src/github.com/estesp/manifest-tool "$(DOCKER_IMAGE)"
 
-all: binary
+all: build
+
+build:
+	$(DOCKER_RUN) -v $(shell pwd):/go/src/github.com/estesp/manifest-tool -w /go/src/github.com/estesp/manifest-tool golang:1.7 /bin/bash -c "\
+		go build -o manifest-tool github.com/estesp/manifest-tool"
 
 binary:
-	go build -o ${DEST}manifest github.com/estesp/manifest-tool
+	go build -o manifest-tool github.com/estesp/manifest-tool
 
 build-container:
 	docker build ${DOCKER_BUILD_ARGS} -t "$(DOCKER_IMAGE)" .
 
 clean:
-	rm -f manifest
+	rm -f manifest-tool
 
 install:
 	install -d -m 0755 ${INSTALLDIR}
-	install -m 755 manifest ${INSTALLDIR}
+	install -m 755 manifest-tool ${INSTALLDIR}
 
 shell: build-container
 	$(DOCKER_RUN_DOCKER) bash