Shulou(Shulou.com)06/02 Report--

I. Mapping port docker run-p port outside the container: the port in the container publishes a nginx application-[root@docker ~] # docker images # View Image REPOSITORY TAG IMAGE ID CREATED SIZEmyalpine latest_with_hello.txt 3ce9b8b899ba 17 hours ago 5.59MBnginx latest F7bb5701a33c 10 days ago 126MBalpine latest cc0abc535e36 2 weeks ago 5.59MBzhoumingkang/alpine v3.10.3 cc0abc535e36 2 weeks ago 5.59MBalpine 3.9.4 055936d39205 8 months ago 5.53MBhello-world latest Fce289e99eb9 12 months ago 1.84kB [root@docker ~] # docker run-- rm-d-- name mynginx-p80 rm 80 nginx:latest # run container 12f98b8cbbc8c918dce442c085b6e6a8e40df86a41d7016c8c8bfb1395b5bc90 [root@docker ~] # docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES12f98b8cbbc8 nginx:latest "nginx-g 'daemon of daemon of 6 seconds ago Up 4 seconds 0.0.0.0 seconds 80-> 80/tcp mynginx [root@docker ~] # netstat-tlunp | grep 80tcp6 0 0:: 80:: * LISTEN 10728/docker-proxy II. Mount the data volume docker run-v out-of-container directory: the in-container directory mounts the current host / root/html directory to the container / usr/share/nginx/html- [root@docker html] # docker run-- rm-d-- name mynginx1-p81Ranger 80-v/root/html:/usr/share/nginx/html nginx:latest # and mounts the local directory to the container 5b3ef0ed66d8927c6e3e502cc652243e81e94922f8b6310fabf9cb0ab8c1 [root @ docker html] # netstat-tlunp | Grep 81tcp6 0 0: 81: * LISTEN 11587/docker-proxy [root@docker html] # docker ps | grep mynginx15b3ef0ed66d8 nginx:latest "nginx-g 'daemon of …" 6 minutes ago Up 6 minutes 0.0.0.0 docker exec 81-> 80/tcp mynginx1 [root@docker html] # docker exec-ti 5b3ef0ed66d8 / bin/sh # enter the container # ls / usr/share/nginx/html # to see whether the host directory is mounted to index.html. Pass the environment variable docker run-e variable name = variable value to add the system variable mingkang_env=mingkang_test- [root@docker html] # docker run-ti-- rm-- name myalpine-e mingkang_env=mingkang_test alpine:latest / bin/sh/ # envHOSTNAME=b6dad57f224fSHLVL=1HOME=/rootmingkang_env=mingkang_test # added environment variable TERM=xtermPATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/binPWD=/ Note: for multiple environment variables Install tools in the current NGINX container, install the curl tool command-[root@docker html] # docker ps-aCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES5b3ef0ed66d8 nginx:latest "nginx-g 'daemon of …" 33 minutes ago Up 33 minutes 0.0.0.0 docker exec 81-> 80/tcp mynginx1 [root@docker html] # docker exec-ti mynginx1 / bin/bash root@5b3ef0ed66d8:/# apt-get updateroot@5b3ef0ed66d8:/# apt-get install-y curl # Container installs tool root@5b3ef0ed66d8:/# which curl/usr/bin/curl 5. Image encapsulate the container that just updated apt-get and install the curl tool, and submit it to docker hub. [root@docker html] # docker commit-p mynginx1 zhoumingkang/nginx:curl # generate a local image sha256:d1b81c37853c29e7069b5127e19e28f0eb964f7a5720a81880a1f3ecda4c88b4 [root@docker html] # docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEzhoumingkang/nginx curl d1b81c37853c 6 seconds ago 152MBmyalpine latest_with_hello.txt 3ce9b8b899ba 24 hours ago 5.59MBnginx Latest f7bb5701a33c 10 days ago 126MBalpine latest cc0abc535e36 2 weeks ago 5.59MBzhoumingkang/alpine v3.10.3 cc0abc535e36 2 weeks ago 5.59MBalpine 3.9.4 055936d39205 8 months ago 5 .53MBhello-world latest fce289e99eb9 12 months ago 1.84kB [root@docker html] # docker push zhoumingkang/nginx:curl # push image to remote The push refers to repository [docker.io/zhoumingkang/nginx] edb65c87d072: Pushed 75248c0d5438: Mounted from library/nginx 49434cc20e95: Mounted from library/nginx 556c5fb0d91b: Mounted from library/nginx curl: digest: sha256:15a6e2920bc27d9a46a5025b938d54451bac6e499ae51c65cc812d9a193f8f59 size: 1160 [root@docker html] #

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