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docker_webapp_nodejs's Introduction

docker_webapp_nodejs

Node.js Web アプリケーションを Docker 化する | Node.js をもとに作ったコンテナ。Docker と Docker Hub の練習。

Node 20.x と express

Docker Hub

Docker Hub で heiwa4126/webapp_nodejs として公開。

docker pull heiwa4126/webapp_nodejs
docker run --init -p 8080:8080 -d heiwa4126/webapp_nodejs
curl http://localhost:8080

のように実行。

開発

npm start

で Node.js レベルで実行 npm stopで停止。npm restartで再起動。

Docker イメージ

npm run build

でイメージ作成

npm run docker
# またはWSLの場合
npm run docker:wsl

で起動。テストは

curl -i http://127.0.0.1:18080

のように。

npm run docker:wsl の場合は npm run docker:log で log が表示できます。

npm run docker:stop

で終了。

Docker Hub へ発行

util/docker-push

で Docker Hub に push (事前にdocker login必要)

トラブルシューティング

WSL だと syslogd が無いので docker run すると

docker: Error response from daemon: failed to create task for container: failed to initialize logging driver: Unix syslog delivery error.

というエラーになります。JSON ドライバを使った npm run docker:wsl の方を試してください。

ログは /var/lib/docker/containers/{container-id}/{container-id}-json.log に出ますが、 docker logs -f {container-id} で参照したほうが楽。

docker_webapp_nodejs's People

Contributors

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