Build and release to dockerhub

.travis.yml

@@ -14,3 +14,5 @@ jobs:
       script: make travis-pr-build
     - stage: "Test"
       script: make travis-pr-test
+    - stage: "Docker publish"
+      script: ./publish.sh

Dockerfile

@@ -1,23 +1,23 @@
-FROM python:3.6-alpine3.9 as builder
+FROM python:3.6-alpine3.12 as builder
 
 COPY . work
 WORKDIR /work
 
 RUN echo "@edge http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && \
   apk update && apk upgrade && \
   apk add --no-cache --virtual build-dependencies build-base && \
-  apk add --no-cache librdkafka-dev@edge~=1.1.0 && \
-		pip install --install-option="--prefix=/install" . && \
+  apk add --no-cache librdkafka-dev@edge~=1.4 && \
+		pip install --prefix=/install --no-warn-script-location . && \
   apk del build-dependencies
 
-FROM python:3.6-alpine3.9
+FROM python:3.6-alpine3.12
 
 
 ENV HOME=/home/pyrandall
 
 RUN echo "@edge http://dl-cdn.alpinelinux.org/alpine/edge/community" >> /etc/apk/repositories && \
     apk update && apk upgrade && \
-    apk add --no-cache librdkafka@edge~=1.1.0 && \
+    apk add --no-cache librdkafka@edge~=1.4 && \
     apk add ca-certificates && rm -rf /var/cache/apk/* && \
     addgroup -S -g 1000 pyrandall && \
     adduser -D -S -u 1000 -G pyrandall -h $HOME pyrandall

publish.sh

@@ -0,0 +1,19 @@
+DOCKER_IMAGE=pyrandall
+GIT_SHORT_SHA=$(git rev-parse --short HEAD)
+GIT_REF_NAME=$(git rev-parse --abbrev-ref HEAD)
+
+VERSION=$(<VERSION)
+DOCKER_TAG="${DOCKER_IMAGE}:${VERSION}-${GIT_SHORT_SHA}"
+
+if [ "$GIT_REF_NAME" = "master" ]
+then
+	# Tag existing as stable release (without git-short-sha)
+	docker tag "${DOCKER_TAG}" "${DOCKER_IMAGE}:${VERSION}"
+	docker tag "${DOCKER_TAG}" "${DOCKER_IMAGE}:master"
+ # TODO: login and publish to dockerhub
+else
+  # Build new image and tag
+	docker build -t "${DOCKER_TAG}" .
+	docker tag "${DOCKER_TAG}" "${DOCKER_IMAGE}:latest"
+ # TODO: login and publish to dockerhub
+fi