add deploy to docker image, just on master merge

Author: ranguard

.travis.yml

@@ -21,6 +21,8 @@ env:
 
     - DEVEL_COVER_OPTIONS="-ignore,^local/"
     - PERL_CARTON_PATH=$HOME/local
+
+    - DOCKER_IMAGE_NAME=metacpan-api
   matrix:
     - CPAN_RESOLVER=metadb PERL_CARTON_PATH=$HOME/no-snapshot HARNESS_VERBOSE=1
     - CPAN_RESOLVER=snapshot
@@ -83,6 +85,19 @@ after_success:
 services:
   - docker
 
+## Build and push a docker image in production
+deploy:
+  - provider: script
+    script:
+      - deploy/build.sh
+    on:
+      branch: master
+  - provider: script
+    script:
+      - deploy/push.sh
+    on:
+      branch: master
+
 # caching /local should save about 5 minutes in module install time
 cache:
   directories:

deploy/build.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+DEPLOY_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+source "${DEPLOY_DIR}/vars.sh"
+
+# ## Go to where the docker file is
+cd "${DEPLOY_DIR}/.."
+
+## Pull the latest docker file from docker hub if there is one
+docker pull "$DOCKER_HUB_NAME" || true
+
+## Issue the build command, adding tags (from CONFIG.sh)
+docker build --pull --cache-from "$DOCKER_HUB_NAME" --tag $DOCKER_HUB_NAME --tag $VERSION_TAG .

deploy/push.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+DEPLOY_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+source "${DEPLOY_DIR}/vars.sh"
+
+cd "${DEPLOY_DIR}/.."
+
+docker login -u "$DOCKER_HUB_USER" -p "$DOCKER_HUB_PASSWD"
+
+docker push "$DOCKER_HUB_NAME"

deploy/vars.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+## Edit this
+if [ -z $DOCKER_IMAGE_NAME ]; then
+    echo "DOCKER_IMAGE_NAME is not defined"
+    exit 1;
+fi
+
+## Should not need to edit this
+export DOCKER_HUB_NAME="metacpan/${DOCKER_IMAGE_NAME}"
+export VERSION="${TRAVIS_BUILD_NUMBER:-UNKNOWN-BUILD-NUMBER}"
+export VERSION_TAG="${DOCKER_HUB_NAME}:${VERSION}"
+