Add multistage Dockerfile (#909)

Signed-off-by: vanuan <[email protected]>

Author: Vanuan

dockerfiles/Dockerfile.multistage

@@ -0,0 +1,35 @@
+FROM golang:1.10.0-alpine3.7
+RUN apk add --update git make gcc musl-dev wget ca-certificates openssl libvirt-dev libvirt-static libvirt-lxc libvirt-qemu git openssh file
+ENV GOPATH /go
+ENV PATH /go/bin:$PATH
+COPY dockerfiles/build-infrakit /usr/local/bin/
+# Add source code
+Add . /go/src/github.com/docker/infrakit/
+WORKDIR /go/src/github.com/docker/infrakit
+RUN mkdir ./build && make binaries
+
+
+FROM alpine:latest
+RUN apk add --update wget ca-certificates openssl libvirt-dev libvirt-static openssh file
+# server-side dirs
+RUN mkdir -p /.infrakit/plugins /.infrakit/configs /.infrakit/logs /.infrakit/instance/terraform
+# Default single node leader file
+RUN echo manager1 > /.infrakit/leader
+VOLUME /.infrakit
+WORKDIR /.infrakit
+ENV INFRAKIT_HOME /.infrakit
+# Defined in pkg/discovery
+ENV INFRAKIT_PLUGINS_DIR /.infrakit/plugins
+# When using the manager 'os' option
+ENV INFRAKIT_LEADER_FILE /.infrakit/leader
+ENV INFRAKIT_STORE_DIR /.infrakit/configs
+# client-side dirs
+RUN mkdir -p /.infrakit-session/playbook-cache /.infrakit-session/cli
+# Defined in pkg/cli
+ENV INFRAKIT_CLI_DIR /.infrakit-session/cli
+# Defined in pkg/cli
+ENV INFRAKIT_CLI_DIR /.infrakit-session/cli
+# Defined in cmd/.infrakit/playbook
+ENV INFRAKIT_PLAYBOOKS_FILE /.infrakit-session/playbooks.yml
+ENV INFRAKIT_PLAYBOOKS_CACHE /.infrakit-session/playbook-cache
+COPY --from=0 /go/src/github.com/docker/infrakit/build/* /usr/local/bin/