[root@dev-naoki-tf docker-php-todo]# systemctl status docker
● docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; disabled; vendor preset: disabled)
Active: active (running) since Sat 2021-10-09 14:34:12 UTC; 2min 17s ago
Docs: https://docs.docker.com
Main PID: 4097 (dockerd)
Tasks: 7
Memory: 40.1M
CGroup: /system.slice/docker.service
└─4097 /usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock --default-ulimit nofile=32768:65536
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.552801907Z" level=info msg="scheme \"unix\" not registered, fallba...ule=grpc
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.553082588Z" level=info msg="ccResolverWrapper: sending update to c...ule=grpc
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.553429664Z" level=info msg="ClientConn switching balancer to \"pic...ule=grpc
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.594559855Z" level=info msg="Loading containers: start."
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.824308270Z" level=info msg="Default bridge (docker0) is assigned w...address"
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.889997718Z" level=info msg="Loading containers: done."
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.975651702Z" level=info msg="Docker daemon" commit=b0f5bc3 graphdri...=20.10.7
Oct 09 14:34:12 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:12.976925068Z" level=info msg="Daemon has completed initialization"
Oct 09 14:34:12 dev-naoki-tf systemd[1]: Started Docker Application Container Engine.
Oct 09 14:34:13 dev-naoki-tf dockerd[4097]: time="2021-10-09T14:34:13.021457761Z" level=info msg="API listen on /run/docker.sock"
Hint: Some lines were ellipsized, use -l to show in full.
[root@dev-naoki-tf docker-php-todo]# systemctl enable docker
Created symlink from /etc/systemd/system/multi-user.target.wants/docker.service to /usr/lib/systemd/system/docker.service.
[naoki@dev-naoki-tf html]$ sudo usermod -a -G docker naoki
[naoki@dev-naoki-tf docker-php-todo]$ docker build -t app-php-todo
"docker build" requires exactly 1 argument.
See 'docker build --help'.
Usage: docker build [OPTIONS] PATH | URL | -
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
WARNING: Image for service web was built because it did not already exist. To rebuild this image you must use `docker-compose build` or `docker-compose up --build`.
Creating mysql-php-todo ... done
Creating app-php-todo ... done