Platform app yaml for the wordpress example allowing to update database on sync/branch through wp-cli

.platform.app.yaml

# Only the necessary entries are on this file.
# IT IS NOT A COMPLETE .platform.app.yaml FILE.

# The mounts that will be performed when the package is deployed.
mounts:
    "/deploy": "shared:files/deploy"

hooks:
    deploy: |
        DEPLOY_FILE=/app/deploy/deploy.url
        CURRENT=`echo "import sys\nimport os\nimport json\nroutes=json.loads(os.environ['PLATFORM_ROUTES'].decode('base64'))\nfor i in routes:\n\tif routes[i]['type'] == 'upstream' and routes[i]['upstream'] == os.environ['PLATFORM_APPLICATION_NAME']: sys.stdout.write(i.strip('/'))" | python`
        PREVIOUS=`[ -f $DEPLOY_FILE ] && cat $DEPLOY_FILE`
        echo
        if [ "$CURRENT" != "$PREVIOUS" ]; then
            wp search-replace $PREVIOUS $CURRENT --skip-columns=guid
        fi
        echo $CURRENT > $DEPLOY_FILE