Add a build process for Dockramp binaries

Docker-DCO-1.1-Signed-off-by: Josh Hawn <[email protected]> (github: jlhawn)

.gitignore

@@ -6,6 +6,7 @@
 # Folders
 _obj
 _test
+bundles
 
 # Architecture specific extensions/prefixes
 *.[568vq]

Dockerfile

@@ -1,14 +1,21 @@
-FROM golang:1.4.2
+FROM golang:1.4.2-cross
 
 MAINTAINER 'Josh Hawn <[email protected]> (github:jlhawn)'
 
 ENV PROJ_DIR /go/src/github.com/jlhawn/dockramp
 
+ENV PLATFORMS '
+	darwin/386   darwin/amd64
+	freebsd/386  freebsd/amd64  freebsd/arm
+	linux/386    linux/amd64    linux/arm
+	windows/386  windows/amd64
+'
+
 RUN sh -c 'mkdir -p $PROJ_DIR'
 
 COPY . $PROJ_DIR
 
-RUN sh << EOF
-	export GOPATH="$PROJ_DIR/Godeps/_workspace:$GOPATH"
-	go build -o /usr/local/bin/dockramp github.com/jlhawn/dockramp/cmd/dockramp
-EOF
+RUN sh -c 'cp "$PROJ_DIR/make_binaries.sh" /usr/local/bin/make_binaries.sh'
+
+ENTRYPOINT /usr/local/bin/make_binaries.sh
+CMD /bundles

Makefile

@@ -0,0 +1,21 @@
+# Set an output prefix, which is the local directory if not specified
+GIT_BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
+
+.PHONY: all clean image binaries
+
+all: clean binaries
+
+clean:
+	@echo "+ $@"
+	@rm -rf bundles
+
+image:
+	@echo "+ $@"
+	@dockramp -t dockramp:${GIT_BRANCH}
+
+binaries: image
+	@echo "+ $@"
+	$(eval C_ID := $(shell docker create dockramp:${GIT_BRANCH}))
+	@docker start -a ${C_ID}
+	@docker cp ${C_ID}:/bundles .
+	@docker rm ${C_ID}

make_binaries.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+FAILURES=""
+TARGET="github.com/jlhawn/dockramp/cmd/dockramp"
+
+mkdir "$1"
+
+for PLATFORM in $PLATFORMS; do
+	OUTPUTDIR="$1/$PLATFORM"
+	mkdir -p "$OUTPUTDIR"
+
+	export GOPATH="$PROJ_DIR/Godeps/_workspace:$GOPATH"
+	export GOOS="${PLATFORM%/*}"
+	export GOARCH="${PLATFORM#*/}"
+
+	CMD="go build -o $OUTPUTDIR/dockramp $TARGET"
+
+	echo "$CMD" && $CMD || FAILURES="$FAILURES $PLATFORM"
+done
+
+if [ -n "$FAILURES" ]; then
+	echo "*** build FAILED on $FAILURES ***"
+	exit 1
+fi