Builds both scratch & Alpine Docker images

 - Adds `Dockerfile_alpine`, which copies the complier from the scratch
   step into an Alpine image
 - Updates `docker_build.sh` to build the Alpine image
 - Updates `docker_deploy.sh` to tag and push the Alpine images
 - Updates `docker_deploy_manual.sh` to tag and push the Alpine images

The tags that are pushed follow:

 - Scratch
    - ethereum/solc:stable
    - ethereum/solc:0.5.1
    - ethereum/solc:nightly
    - ethereum/solc:nightly-0.5.1-bc7cb301e3d71756c8fbefe888aca53433302117
    - ethereum/solc:nightly-0.5.1-bc7cb301e3d71756c8fbefe888aca53433302117
 - Alpine
    - ethereum/solc:stable-alpine
    - ethereum/solc:0.5.1-alpine
    - ethereum/solc:nightly-alpine
    - ethereum/solc:nightly-alpine-0.5.1-bc7cb301e3d71756c8fbefe888aca53433302117
    - ethereum/solc:nightly-alpine-0.5.1-bc7cb301e3d71756c8fbefe888aca53433302117

4 files changed, 42 insertions, 18 deletions

diff --git a/scripts/Dockerfile_alpine b/scripts/Dockerfile_alpine
new file mode 100644
index 00000000..21bba456
--- /dev/null
+++ b/scripts/Dockerfile_alpine
@@ -0,0 +1,5 @@
+FROM alpine
+MAINTAINER chriseth <chris@ethereum.org>
+
+COPY upload/solc-static-linux /usr/local/bin/solc
+ENTRYPOINT ["/usr/local/bin/solc"]
diff --git a/scripts/docker_build.sh b/scripts/docker_build.sh
index 22657a8c..9eedec34 100755
--- a/scripts/docker_build.sh
+++ b/scripts/docker_build.sh
@@ -2,7 +2,11 @@
 
 set -e
 
+# Scratch image
 docker build -t ethereum/solc:build -f scripts/Dockerfile .
 tmp_container=$(docker create ethereum/solc:build sh)
 mkdir -p upload
 docker cp ${tmp_container}:/usr/bin/solc upload/solc-static-linux
+
+# Alpine image
+docker build -t ethereum/solc:build-alpine -f scripts/Dockerfile_alpine .
diff --git a/scripts/docker_deploy.sh b/scripts/docker_deploy.sh
index 00705725..36e918cf 100755
--- a/scripts/docker_deploy.sh
+++ b/scripts/docker_deploy.sh
@@ -2,20 +2,28 @@
 
 set -e
 
+image="ethereum/solc"
+
+tag_and_push()
+{
+    docker tag "$image:$1" "$image:$2"
+    docker push "$image:$2"
+}
+
 docker login -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD";
 version=$($(dirname "$0")/get_version.sh)
 if [ "$TRAVIS_BRANCH" = "develop" ]
 then
-    docker tag ethereum/solc:build ethereum/solc:nightly;
-    docker tag ethereum/solc:build ethereum/solc:nightly-"$version"-"$TRAVIS_COMMIT"
-    docker push ethereum/solc:nightly-"$version"-"$TRAVIS_COMMIT";
-    docker push ethereum/solc:nightly;
+    tag_and_push build nightly
+    tag_and_push build nightly-"$version"-"$TRAVIS_COMMIT"
+    tag_and_push build-alpine nightly-alpine
+    tag_and_push build-alpine nightly-alpine-"$version"-"$TRAVIS_COMMIT"
 elif [ "$TRAVIS_TAG" = v"$version" ]
 then
-    docker tag ethereum/solc:build ethereum/solc:stable;
-    docker tag ethereum/solc:build ethereum/solc:"$version";
-    docker push ethereum/solc:stable;
-    docker push ethereum/solc:"$version";
+    tag_and_push build stable
+    tag_and_push build "$version"
+    tag_and_push build-alpine stable-alpine
+    tag_and_push build-alpine "$version"-alpine
 else
     echo "Not publishing docker image from branch $TRAVIS_BRANCH or tag $TRAVIS_TAG"
 fi
diff --git a/scripts/docker_deploy_manual.sh b/scripts/docker_deploy_manual.sh
index c098f4ee..0393d22d 100755
--- a/scripts/docker_deploy_manual.sh
+++ b/scripts/docker_deploy_manual.sh
@@ -7,6 +7,7 @@ then
     echo "Usage: $0 <tag/branch>"
     exit 1
 fi
+image="ethereum/solc"
 branch="$1"
 
 #docker login
@@ -27,21 +28,27 @@ else
     date -u +"nightly.%Y.%-m.%-d" > prerelease.txt
 fi
 
+tag_and_push()
+{
+    docker tag "$image:$1" "$image:$2"
+    docker push "$image:$2"
+}
+
 rm -rf .git
-docker build -t ethereum/solc:build -f scripts/Dockerfile .
-tmp_container=$(docker create ethereum/solc:build sh)
+docker build -t "$image":build -f scripts/Dockerfile .
+tmp_container=$(docker create "$image":build sh)
 if [ "$branch" = "develop" ]
 then
-    docker tag ethereum/solc:build ethereum/solc:nightly;
-    docker tag ethereum/solc:build ethereum/solc:nightly-"$version"-"$commithash"
-    docker push ethereum/solc:nightly-"$version"-"$commithash";
-    docker push ethereum/solc:nightly;
+    tag_and_push build nightly
+    tag_and_push build nightly-"$version"-"$commithash"
+    tag_and_push build-alpine nightly-alpine
+    tag_and_push build-alpine nightly-alpine-"$version"-"$commithash"
 elif [ "$branch" = v"$version" ]
 then
-    docker tag ethereum/solc:build ethereum/solc:stable;
-    docker tag ethereum/solc:build ethereum/solc:"$version";
-    docker push ethereum/solc:stable;
-    docker push ethereum/solc:"$version";
+    tag_and_push build stable
+    tag_and_push build "$version"
+    tag_and_push build-alpine stable-alpine
+    tag_and_push build-alpine "$version"-alpine
 else
     echo "Not publishing docker image from branch or tag $branch"
 fi