Add Docker Hub image builds

build_docker.sh

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+#!/usr/bin/env bash
+
+set -eE
+set -o pipefail
+set -x
+
+DOCKERFILE="Dockerfile.travis"
+if [ "${TRAVIS_BRANCH}" == "master" ]
+then
+  VERSION="latest"
+else
+  VERSION=`git describe --abbrev=4 --dirty --always --tags`
+fi
+
+build_image() {
+    from="$(awk '$1 == toupper("FROM") { print $2 }' ${DOCKERFILE})"
+
+    # See https://hub.docker.com/r/multiarch/alpine/tags
+    case "${GOARCH}" in
+        arm64)
+           alpineArch='arm64-edge'
+           imageArch='arm64'
+           ;;
+        arm)
+           alpineArch='armhf-edge'
+           imageArch='armhf'
+           ;;
+        386)
+           alpineArch='i386-edge'
+           imageArch='i386'
+           ;;
+        amd64)
+           alpineArch='amd64-edge'
+           ;;
+        *)
+           alpineArch='amd64-edge'
+           ;;
+    esac
+
+    if [ "${GOOS}" == "linux" ] && [ "${GOARCH}" == "amd64" ]
+    then
+        image="adguard/adguardhome:${VERSION}"
+    else
+        image="adguard/adguardhome:${imageArch}-${VERSION}"
+    fi
+
+    make cleanfast; CGO_DISABLED=1 make
+
+    docker pull "multiarch/alpine:${alpineArch}"
+    docker tag "multiarch/alpine:${alpineArch}" "$from"
+    docker build -t "${image}" -f ${DOCKERFILE} .
+    docker push ${image}
+    docker rmi "$from"
+}
+
+# prepare qemu
+docker run --rm --privileged multiarch/qemu-user-static:register --reset
+
+make clean
+
+# Prepare releases
+GOOS=linux GOARCH=amd64 build_image
+GOOS=linux GOARCH=386 build_image
+GOOS=linux GOARCH=arm GOARM=6 build_image
+GOOS=linux GOARCH=arm64 GOARM=6 build_image