crosscompile for different architecures

Dockerfile

@@ -5,45 +5,45 @@ WORKDIR /go/src/github.com/immortal/immortal
 COPY . .
 RUN dep ensure --vendor-only
 RUN chown -R toor:toor /go
-RUN mkdir /immortal
 ARG VERSION=0.0.0
 ENV VERSION="${VERSION}"
 USER toor
 RUN go test -race -v
 USER root
-RUN go build -ldflags "-s -w -X main.version=${VERSION}" -o /immortal/immortal cmd/immortal/main.go \
-  && go build -ldflags "-s -w -X main.version=${VERSION}" -o /immortal/immortalctl cmd/immortalctl/main.go \
-  && go build -ldflags "-s -w -X main.version=${VERSION}" -o /immortal/immortaldir cmd/immortaldir/main.go
+RUN make build-linux
 RUN mv man /
+RUN mv build /
 
 FROM ruby:2.3
 RUN apt-get update && apt-get install -y --no-install-recommends -q build-essential ca-certificates git rpm
 ARG VERSION=0.0.0
 ENV VERSION="${VERSION}"
 ENV GEM_HOME /usr/local/bundle
 ENV BUNDLE_PATH="$GEM_HOME" \
-	BUNDLE_BIN="$GEM_HOME/bin" \
-	BUNDLE_SILENCE_ROOT_WARNING=1 \
-	BUNDLE_APP_CONFIG="$GEM_HOME"
+    BUNDLE_BIN="$GEM_HOME/bin" \
+    BUNDLE_SILENCE_ROOT_WARNING=1 \
+    BUNDLE_APP_CONFIG="$GEM_HOME"
 ENV PATH $BUNDLE_BIN:$PATH
 RUN gem install --quiet --no-document fpm
+RUN gem install --quiet --no-document package_cloud
+RUN mkdir /build
 RUN mkdir -p /source/etc/immortal \
-  && mkdir -p /source/usr/bin \
   && mkdir -p /source/tmp/immortal \
   && mkdir -p /source/usr/local/man/man8
-COPY --from=builder /immortal/* /source/usr/bin/
+COPY --from=builder /build /build
 COPY --from=builder /man/* /source/usr/local/man/man8/
 RUN mkdir deb-package
 WORKDIR deb-package
 RUN git clone https://github.com/immortal/packages.git scripts
 RUN cp scripts/* /source/tmp/immortal
 RUN fpm --output-type deb \
-  --architecture all \
-  --input-type dir --chdir /source \
+  --input-type dir \
   --name immortal \
   --version ${VERSION} \
   --description 'A *nix cross-platform (OS agnostic) supervisor' \
   --url 'https://immortal.run' \
   --after-install scripts/after-install.sh \
   --before-remove scripts/before-remove.sh \
-  --package immortal-${VERSION}.deb
+  --package immortal-${VERSION}.deb \
+  --chdir / \
+  /source/=/ /build/386/=/usr/bin

Makefile

@@ -23,6 +23,14 @@ build: get
 	${GO} build -ldflags "-s -w -X main.version=${VERSION}" -o immortalctl cmd/immortalctl/main.go;
 	${GO} build -ldflags "-s -w -X main.version=${VERSION}" -o immortaldir cmd/immortaldir/main.go;
 
+build-linux:
+	for arch in 386 amd64 arm arm64 ppc64 ppc64le mips mipsle mips64 mips64le; do \
+		mkdir -p build/$${arch}; \
+		GOOS=linux GOARCH=$${arch} ${GO} build -ldflags "-s -w -X main.version=${VERSION}" -o build/$${arch}/immortal cmd/immortal/main.go; \
+		GOOS=linux GOARCH=$${arch} ${GO} build -ldflags "-s -w -X main.version=${VERSION}" -o build/$${arch}/immortalctl cmd/immortalctl/main.go; \
+		GOOS=linux GOARCH=$${arch} ${GO} build -ldflags "-s -w -X main.version=${VERSION}" -o build/$${arch}/immortaldir cmd/immortaldir/main.go; \
+	done
+
 clean:
 	${GO} clean -i
 	@rm -rf immortal immortalctl immortaldir *.debug *.out build debian