mysql

.gitlab-ci.yml

+# This file is a template, and might need editing before it works on your project.
+# Official docker image.
+image: docker:latest
+
+services:
+  - docker:dind
+
+stages:
+  - build
+
+build:
+  stage: build
+  script:
+    - /bin/sh build.sh

5.6/Dockerfile

+FROM mysql:5.6
+
+COPY docker-entrypoint-set-charset.sh /docker-entrypoint-initdb.d/docker-entrypoint-set-charset.sh

5.7/Dockerfile

+FROM mysql:5.7
+
+COPY docker-entrypoint-set-charset.sh /docker-entrypoint-initdb.d/docker-entrypoint-set-charset.sh

8/Dockerfile

+FROM mysql:8
+
+COPY docker-entrypoint-set-charset.sh /docker-entrypoint-initdb.d/docker-entrypoint-set-charset.sh

build.sh

+#!/bin/bash
+
+# Configuration
+
+VERSIONS="5 10"
+LATEST_VERSION="10"
+
+# Let's do it
+
+if [ -z "$CI_REGISTRY" ]
+then  # outside gitlab ci runner
+    docker login docker.team23.de
+    BUILD_PROJECT_NAME=$( basename $( pwd ) )
+    BUILD_IMAGE_BASE="docker.team23.de/docker/$BUILD_PROJECT_NAME"
+else  # inside gitlab ci runner
+    docker login -u gitlab-ci-token -p "$CI_JOB_TOKEN" "$CI_REGISTRY"
+    BUILD_IMAGE_BASE="$CI_REGISTRY/$CI_PROJECT_PATH"
+fi
+
+for VERSION in $VERSIONS
+do
+    # Copy shared files
+    cp -rp shared/* "$VERSION/"
+    # Build Image
+    docker build --pull -t "$BUILD_IMAGE_BASE:$VERSION" "$VERSION"
+    docker push "$BUILD_IMAGE_BASE:$VERSION"
+done
+
+# Build latest image
+docker build --pull -t "$BUILD_IMAGE_BASE:latest" "$LATEST_VERSION"
+docker push "$BUILD_IMAGE_BASE:latest"

shared/docker-entrypoint-set-charset.sh

+#!/usr/bin/env sh
+
+echo "ALTER DATABASE \`${MYSQL_DATABASE}\` CHARACTER SET utf8 COLLATE utf8_unicode_ci;" | mysql -u "${MYSQL_USER}" -p"${MYSQL_PASSWORD}"