basic useful docker command

docker.md

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+# Docker Guides
+
+* Start / Stop Docker
+```bash
+# start docker compose yml
+$ sudo docker-compose up -d
+
+# stop docker compose yml
+$ sudo docker-compose down
+```
+
+* Container Stats [Memory Limit](https://www.baeldung.com/ops/docker-memory-limit)
+```bash
+$ sudo docker stats
+```
+
+* Container interactive shell
+```bash
+# lookup container id
+$ sudo docker ps
+
+# enter interactive shell
+$ sudo docker exec -it <containerid> bash
+```
+
+* Misc Management
+```bash
+# show system wide info
+$ sudo docker info
+
+# list caches images
+$ sudo docker images
+$ sudo docker image ls
+# remove unused image
+$ sudo docker image prume
+# display image details info
+$ sudo docker image inspect <imagename>
+
+# remove container
+$ sudo docker rm
+
+# remove image
+$ sudo docker rmi
+
+# container last 100 lines logs 
+$ sudo docker logs --tail 100
+```