https://lk.rebrainme.com/docker/task/4

DKR 03: Basics. Запуск команд внутри контейнеров

# ls -la
-rw-r--r-- 1 fireball fireball  803 Dec  1 14:55 nginx.conf
-rw-r--r-- 1 fireball fireball  796 Dec  1 14:49 nginx.conf.2

# diff nginx.conf nginx.conf.2
36c36
<             return 200 'Hello from RebrainMe Docker course!';
---
>             return 200 'Hello from RebrainMe Docker course! Again!';

# docker run -d -p 127.0.0.1:8890:80 -v /home/fireball/rebrain/docker-cource/03/nginx.conf:/etc/nginx/nginx.conf --name rbm-dkr-03 nginx:stable
9bd27b3125cda859a09bcc278e8d5e4bd6b97a4f5d943e26a3e04290b69e5d4c

# docker ps
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                    NAMES
9bd27b3125cd        nginx:stable        "nginx -g 'daemon of…"   8 seconds ago       Up 5 seconds        127.0.0.1:8890->80/tcp   rbm-dkr-03

# curl http://127.0.0.1:8890
Hello from RebrainMe Docker course!

# docker exec -ti rbm-dkr-03 md5sum /etc/nginx/nginx.conf
322eb3aed04523674ec57f1058ac9ec3  /etc/nginx/nginx.conf

# mv nginx.conf nginx.conf.1
# mv nginx.conf.2 nginx.conf

# docker exec -ti rbm-dkr-03 /bin/sh -c "nginx -t && nginx -s reload"
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
2019/12/08 14:00:42 [notice] 27#27: signal process started

# docker exec -ti rbm-dkr-03 md5sum /etc/nginx/nginx.conf
322eb3aed04523674ec57f1058ac9ec3  /etc/nginx/nginx.conf

# curl http://127.0.0.1:8890
Hello from RebrainMe Docker course!