[feat]: support build for multi-arch builds

.travis.yml

@@ -67,16 +67,21 @@ jobs:
 
     - stage: deploy
       env:
-        - DESC=shadowbox docker image
+        - DESC=shadowbox docker image with multi-archs
       sudo: required
       services: docker
       script:
-        - yarn do shadowbox/docker/build
+        # https://github.com/ldez/seihon is used to manage multi-arch deployment
+        - |
+          curl -sfL https://raw.githubusercontent.com/ldez/seihon/7d38218cc397499330219dd76a39f26e2b545f81/godownloader.sh | bash -s -- -b .
+          chmod +x seihon
+          sudo mv seihon /usr/local/bin
+        - docker run --rm --privileged hypriot/qemu-register
+        - yarn do shadowbox/server/build
         - docker login quay.io -u="$QUAY_IO_USERNAME" -p="$QUAY_IO_PASSWORD"
-        - docker tag outline/shadowbox quay.io/outline/shadowbox:$TRAVIS_TAG
-        - docker push quay.io/outline/shadowbox:$TRAVIS_TAG
-        - docker tag outline/shadowbox quay.io/outline/shadowbox:daily
-        - docker push quay.io/outline/shadowbox:daily
+        # skipping arm.v7 because the base docker image(node:8.15.0-alpine) doesn't have a arm.v7 manifest included,
+        # sh -c 'DOCKER_CLI_EXPERIMENTAL=enabled docker manifest inspect node:8.15.0-alpine'
+        - seihon publish -v "${TRAVIS_TAG}" -v "daily" -i quay.io/outline/shadowbox --dry-run=false --template src/shadowbox/docker/tmpl.Dockerfile -b node:8.15.0-alpine --targets=arm.v6,arm.v8,amd64,386
 
     - stage: deploy
       env:

src/shadowbox/docker/tmpl.Dockerfile

@@ -0,0 +1,92 @@
+# Copyright 2018 The Outline Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Versions can be found at https://github.com/Jigsaw-Code/outline-ss-server/releases
+ARG SS_VERSION=1.1.0
+
+FROM golang:alpine AS ss_builder
+# add git so we can build outline-ss-server from source
+RUN apk add --update git && rm -rf /var/cache/apk/*
+WORKDIR /tmp
+ARG SS_VERSION
+RUN git clone --branch "v${SS_VERSION}" https://github.com/Jigsaw-Code/outline-ss-server --single-branch
+WORKDIR /tmp/outline-ss-server
+ENV GO111MODULE=on
+ENV GOOS={{ .GoOS }}
+ENV GOARCH={{ .GoARCH }}
+ENV GOARM={{ .GoARM }}
+ENV CGO_ENABLED=0
+RUN go build -o /app/outline-ss-server
+
+FROM golang:alpine AS prombuilder
+# Versions can be found at https://github.com/prometheus/prometheus/releases
+ARG PM_VERSION=2.4.3
+# add git so we can build the prometheus version from source
+RUN apk add --update git && rm -rf /var/cache/apk/*
+WORKDIR /tmp
+RUN git clone --branch "v${PM_VERSION}" https://github.com/prometheus/prometheus --single-branch
+WORKDIR /tmp/prometheus
+ENV GO111MODULE=on
+ENV GOOS={{ .GoOS }}
+ENV GOARCH={{ .GoARCH }}
+ENV GOARM={{ .GoARM }}
+RUN go mod init
+RUN go mod vendor
+RUN go build -o /app/prometheus ./cmd/prometheus
+
+
+# See versions at https://hub.docker.com/_/node/
+FROM {{ .RuntimeImage }}
+
+# Versions can be found at https://github.com/Jigsaw-Code/outline-ss-server/releases
+ARG SS_VERSION
+
+# Save metadata on the software versions we are using.
+LABEL shadowbox.node_version=8.15.0
+LABEL shadowbox.outline-ss-server_version="${SS_VERSION}"
+
+ARG GITHUB_RELEASE
+LABEL shadowbox.github.release="${GITHUB_RELEASE}"
+
+# We use curl to detect the server's public IP. We need to use the --date option in `date` to
+# safely grab the ip-to-country database.
+RUN apk add --no-cache --upgrade coreutils curl
+
+COPY src/shadowbox/scripts scripts/
+COPY src/shadowbox/scripts/update_mmdb.sh /etc/periodic/weekly/update_mmdb
+
+RUN /etc/periodic/weekly/update_mmdb
+
+WORKDIR /root/shadowbox
+
+RUN mkdir bin
+
+COPY --from=ss_builder /app/outline-ss-server ./bin/
+COPY --from=prombuilder /app/prometheus ./bin/
+
+COPY src/shadowbox/package.json .
+COPY yarn.lock .
+# TODO: Replace with plain old "yarn" once the base image is fixed:
+#       https://github.com/nodejs/docker-node/pull/639
+RUN /opt/yarn-v$YARN_VERSION/bin/yarn install --prod
+
+# Install management service
+COPY build/shadowbox/app app/
+
+# Create default state directory.
+RUN mkdir -p /root/shadowbox/persisted-state
+
+COPY src/shadowbox/docker/cmd.sh /
+
+CMD /cmd.sh