first row

docker_commands

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+docker container run -ti -d -p 127.0.0.1:8080:80 --name nginx nginx:1.19.3
+curl http://127.0.0.1:8080
+docker exec -ti nginx /bin/sh
+apt update
+apt install -y iproute2
+apt install -y procps
+# show separate process namespace
+ps -ef
+# show separate network namespace
+ip a s
+exit
+
+# show host process and network interfaces
+ps -ef
+ip a s
+
+# commit tools
+docker container stop nginx
+docker container commit $(docker container ls -lq) nginx:1.19.3-tools
+docker image ls
+docker image history nginx:1.19.3-tools
+docker container start nginx
+
+ps fax
+5006 ?        Sl     0:00  \_ /usr/bin/docker-proxy -proto tcp -host-ip :: -host-port 49154 -container-ip 172.1
+ 7343 ?        Sl     0:01 /usr/bin/containerd-shim-runc-v2 -namespace moby -id 6e0451b73ddbfae0976a5146e6cda92c
+ 7366 ?        Ss     0:00  \_ nginx: master process nginx -g daemon off;
+ 7425 ?        S      0:00      \_ nginx: worker process
+ 7426 ?        S      0:00      \_ nginx: worker process
+ 7427 ?        S      0:00      \_ nginx: worker process
+ 7428 ?        S      0:00      \_ nginx: worker process