Difference between revisions of "Docker"
From Teknologisk videncenter
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|docker inspect 1e5bdae517e7 || JSON dump of container config | |docker inspect 1e5bdae517e7 || JSON dump of container config | ||
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|} | |} | ||
| + | == Container preservation == | ||
| + | <source lang=bash> | ||
| + | root@ub1:~# docker run -it --name heth alpine | ||
| + | / # echo "Hello, alpine" > hethfile.txt | ||
| + | / #<CTRL-D> | ||
| + | root@ub1:~# docker start -ai heth | ||
| + | / # cat hethfile.txt | ||
| + | Hello, alpine | ||
| + | / #<CTRL-D> | ||
| + | root@ub1:~# docker rm heth | ||
| + | </source> | ||
Revision as of 17:53, 22 September 2024
| command | Explanation |
|---|---|
| docker ps | Status of running containers |
| docker container ls | Status of running containers (As above) |
| docker run ubuntu | Run image ubuntu in containe (Terminates as its bash exits) - pull container if not present |
| docker run -d nginx | Run image nginx detach (as daemon stdin/stdout detached) |
| docker run -d -p 8080:80 nginx | Run image nginx detach (portmap redirect 8080->80) public to private - See rule with iptables -L -t nat -n or nft list ruleset |
| docker run -d -p 8080:80 -v /home/heth/nginx:/usr/share/nginx/html nginx | Same as above but with volume map. Actually mounts directory in container |
| docker run -it ubuntu | Run image ubuntu in container ( -it = interactive tty ) |
| docker pull nginx | pull container from repository (default docker hub) |
| docker inspect 1e5bdae517e7 | JSON dump of container config |
Container preservation
root@ub1:~# docker run -it --name heth alpine
/ # echo "Hello, alpine" > hethfile.txt
/ #<CTRL-D>
root@ub1:~# docker start -ai heth
/ # cat hethfile.txt
Hello, alpine
/ #<CTRL-D>
root@ub1:~# docker rm heth