docker-composeでサイドカー方式を取りたい

結論

ボリュームを共有して擬似的に行う。

kubanetesみたいに、一つのホストに複数プロセスを共存させるやり方はできなさそう。

version: '3' services: tomcat: image: tomcat:alpine container_name: "tomcat" volumes: - logs:/usr/local/tomcat/logs ports: - "8080:8080" localhost_logger: image: busybox volumes: - logs:/logs stop_signal: SIGKILL command: ["/bin/sh", "-c", " while [ ! -e /logs/localhost.*.log ]; do echo \"Waiting for localhost to become available\"; sleep 2; done; tail -f /logs/localhost.*.log"] access_logger: image: busybox volumes: - logs:/logs stop_signal: SIGKILL command: ["/bin/sh", "-c", " while [ ! -e /logs/localhost_access_log.*.txt ]; do echo \"Waiting for localhost_access_log to become available\"; sleep 2; done; tail -f /logs/localhost_access_log.*.txt"] volumes: logs:

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