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jboss/keycloak コンテナを M1 mac(arm64) で起動する

Last updated at Posted at 2022-03-18

はじめに

2022年3月18日現在、jboss/keycloak イメージはarm64に未対応となっており、arm64アーキテクチャのCPUの環境ではそのままpullしてきただけでは起動することができません。備忘のために起動するまでの手順を残します。
※公式でarm64対応された場合は本記事に追記しようと思います。

手順

公式のリポジトリをcloneしてlocalでimageをビルドする方法で解決できます。
keycloakは公式がビルドの口となるDockerFileが用意されているのでこちらを利用します。

ビルド手順
# 1. keycloak-containerリポジトリをclone
$ git clone https://github.com/keycloak/keycloak-containers.git

# 2. ディレクトリ移動
$ cd keycloak-containers/server

# 3. 任意のimage名・タグでdocker buildする
$ docker build ./ -t jboss/keycloak:15.0.2
[+] Building 58.1s (9/9) FINISHED                                                                                                                                                                                      
 => [internal] load build definition from Dockerfile                                                                                                                                                              0.0s
 => => transferring dockerfile: 870B                                                                                                                                                                              0.0s
 => [internal] load .dockerignore                                                                                                                                                                                 0.0s
 => => transferring context: 2B                                                                                                                                                                                   0.0s
 => [internal] load metadata for registry.access.redhat.com/ubi8-minimal:latest                                                                                                                                   1.0s
 => CACHED [1/4] FROM registry.access.redhat.com/ubi8-minimal@sha256:574f201d7ed185a9932c91cef5d397f5298dff9df08bc2ebb266c6d1e6284cd1                                                                             0.0s
 => [internal] load build context                                                                                                                                                                                 0.0s
 => => transferring context: 48.02kB                                                                                                                                                                              0.0s
 => [2/4] RUN microdnf update -y && microdnf install -y glibc-langpack-en gzip hostname java-11-openjdk-headless openssl tar which && microdnf clean all                                                         20.1s
 => [3/4] ADD tools /opt/jboss/tools                                                                                                                                                                              0.0s 
 => [4/4] RUN /opt/jboss/tools/build-keycloak.sh                                                                                                                                                                 36.1s 
 => exporting to image                                                                                                                                                                                            0.8s 
 => => exporting layers                                                                                                                                                                                           0.8s 
 => => writing image sha256:18e07fe1af839e99e829c80c0a0f64808dde6f72353550482ac88066222ebd53                                                                                                                      0.0s 
 => => naming to docker.io/jboss/keycloak:15.0.2                                                                                                                                                                  0.0s 
                                                                                                                                                                                                                       
Use 'docker scan' to run Snyk tests against images to find vulnerabilities and learn how to fix them  

うまくビルドできると以下のようにimageが出来上がっているため、あとはこれを使ってコンテナを起動するだけ!
スクリーンショット 2022-03-18 10.16.12.png

参考

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