人生有涯，学海无涯
一、Docker装置Nginx
# 1、搜寻 nginx[root@jiangwang home]# docker search nginxNAME DESCRIPTION STARS nginx Official build of Nginx. 14539 jwilder/nginx-proxy Automated Nginx reverse proxy for docker con… 1981 richarvey/nginx-php-fpm Container running Nginx + PHP-FPM capable of… 809 jc21/nginx-proxy-manager Docker container for managing Nginx proxy ho… 158 linuxserver/nginx An Nginx container, brought to you by LinuxS… 142 tiangolo/nginx-rtmp Docker image with Nginx using the nginx-rtmp… 115 jlesage/nginx-proxy-manager Docker container for Nginx Proxy Manager 97 bitnami/nginx Bitnami nginx Docker Image 94 alfg/nginx-rtmp NGINX, nginx-rtmp-module and FFmpeg from sou… 89 jasonrivers/nginx-rtmp Docker images to host RTMP streams using NGI… 88 nginxdemos/hello NGINX webserver that serves a simple page co… 67 nginx/nginx-ingress NGINX Ingress Controller for Kubernetes 49 privatebin/nginx-fpm-alpine PrivateBin running on an Nginx, php-fpm & Al… 48 nginxinc/nginx-unprivileged Unprivileged NGINX Dockerfiles 31 schmunk42/nginx-redirect A very simple container to redirect HTTP tra… 19 staticfloat/nginx-certbot Opinionated setup for automatic TLS certs lo… 19 nginx/nginx-prometheus-exporter NGINX Prometheus Exporter 16 centos/nginx-112-centos7 Platform for running nginx 1.12 or building … 15 centos/nginx-18-centos7 Platform for running nginx 1.8 or building n… 13 flashspys/nginx-static Super Lightweight Nginx Image 9 bitwarden/nginx The Bitwarden nginx web server acting as a r… 9 bitnami/nginx-ingress-controller Bitnami Docker Image for NGINX Ingress Contr… 8 mailu/nginx Mailu nginx frontend 8 ansibleplaybookbundle/nginx-apb An APB to deploy NGINX 2 wodby/nginx Generic nginx # 2、下载 nginx 镜像[root@jiangwang home]# docker pull nginxUsing default tag: latestlatest: Pulling from library/nginxa076a628af6f: Pull complete 0732ab25fa22: Pull complete d7f36f6fe38f: Pull complete f72584a26f32: Pull complete 7125e4df9063: Pull complete Digest: sha256:10b8cc432d56da8b61b070f4c7d2543a9ed17c2b23010b43af434fd40e2ca4aaStatus: Downloaded newer image for nginx:latestdocker.io/library/nginx:latest# 3、启动nginx# -d 后盾启动# --name 给容器命名# -p 宿主机端口：容器端口[root@jiangwang home]# docker run -d --name nginx01 -p 3344:80 nginx0692aec62ba9f2487653629280becb8bcb915605faee12ee3bd3b8d5de148c32[root@jiangwang home]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES0692aec62ba9 nginx "/docker-entrypoint.…" 7 seconds ago Up 6 seconds 0.0.0.0:3344->80/tcp nginx01# 本地拜访一下试试[root@jiangwang home]# curl localhost:3344<!DOCTYPE html><html><head><title>Welcome to nginx!</title><style> body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; }</style></head><body><h1>Welcome to nginx!</h1><p>If you see this page, the nginx web server is successfully installed andworking. Further configuration is required.</p><p>For online documentation and support please refer to<a href="http://nginx.org/">nginx.org</a>.<br/>Commercial support is available at<a href="http://nginx.com/">nginx.com</a>.</p><p><em>Thank you for using nginx.</em></p></body></html>[root@jiangwang home]# # 进入容器[root@jiangwang home]# docker exec -it nginx01 /bin/bashroot@0692aec62ba9:/# whereis nginxnginx: /usr/sbin/nginx /usr/lib/nginx /etc/nginx /usr/share/nginxroot@0692aec62ba9:/# cd /etc/nginxroot@0692aec62ba9:/etc/nginx# lsconf.d koi-utf mime.types nginx.conf uwsgi_paramsfastcgi_params koi-win modules scgi_params win-utfroot@0692aec62ba9:/etc/nginx# # 进行容器的运行root@0692aec62ba9:/etc/nginx# exit # 退出容器exit[root@jiangwang home]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES0692aec62ba9 nginx "/docker-entrypoint.…" 9 minutes ago Up 9 minutes 0.0.0.0:3344->80/tcp nginx01[root@jiangwang home]# docker stop 0692aec62ba9 # 进行容器0692aec62ba9在浏览器上用公网拜访一下，测试看看，后果也是能够拜访到的，这外面前提是你的3344端口号曾经开发了，只有是开发的端口号都能够进行测试。
二、Docker装置Tomcat
# 下载 tomcat 镜像[root@jiangwang home]# docker pull tomcatUsing default tag: latestlatest: Pulling from library/tomcatDigest: sha256:94cc18203335e400dbafcd0633f33c53663b1c1012a13bcad58cced9cd9d1305Status: Downloaded newer image for tomcat:latestdocker.io/library/tomcat:latest[root@jiangwang home]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEtomcat 9.0 040bdb29ab37 7 weeks ago 649MBtomcat latest 040bdb29ab37 7 weeks ago 649MBnginx latest f6d0b4767a6c 8 weeks ago 133MBcentos latest 300e315adb2f 3 months ago 209MB# 启动 tomcat 容器，将容器的 8080 端口与外网的 3355 端口进行映射[root@jiangwang home]# docker run -d -p 3355:8080 --name tomcat01 tomcat1a0d54668dd61afb333aa0854e1c0ceafca3c8f695f820089d28eefa4977f0f6[root@jiangwang home]# 浏览器上查看一下：后果是404，阐明
# 进入 tomcat 容器 ，发现webapps 上面什么都没有 ，这个是阿里云镜像的起因 ，默认是最小的镜像，所有不必要的都剔除了，保障最小可运行环境[root@jiangwang home]# docker exec -it tomcat01 /bin/bashroot@1a0d54668dd6:/usr/local/tomcat# ls -altotal 176drwxr-xr-x 1 root root 4096 Jan 13 08:25 .drwxr-xr-x 1 root root 4096 Jan 13 08:19 ..-rw-r--r-- 1 root root 18982 Dec 3 11:48 BUILDING.txt-rw-r--r-- 1 root root 5409 Dec 3 11:48 CONTRIBUTING.md-rw-r--r-- 1 root root 57092 Dec 3 11:48 LICENSE-rw-r--r-- 1 root root 2333 Dec 3 11:48 NOTICE-rw-r--r-- 1 root root 3257 Dec 3 11:48 README.md-rw-r--r-- 1 root root 6898 Dec 3 11:48 RELEASE-NOTES-rw-r--r-- 1 root root 16507 Dec 3 11:48 RUNNING.txtdrwxr-xr-x 2 root root 4096 Jan 13 08:25 bindrwxr-xr-x 1 root root 4096 Mar 9 11:39 confdrwxr-xr-x 2 root root 4096 Jan 13 08:25 libdrwxrwxrwx 1 root root 4096 Mar 9 11:39 logsdrwxr-xr-x 2 root root 4096 Jan 13 08:25 native-jni-libdrwxrwxrwx 2 root root 4096 Jan 13 08:25 tempdrwxr-xr-x 2 root root 4096 Jan 13 08:25 webappsdrwxr-xr-x 7 root root 4096 Dec 3 11:45 webapps.distdrwxrwxrwx 2 root root 4096 Dec 3 11:43 workroot@1a0d54668dd6:/usr/local/tomcat# cd webappsroot@1a0d54668dd6:/usr/local/tomcat/webapps# lsroot@1a0d54668dd6:/usr/local/tomcat/webapps# # 将webapps.dist 目录下的文件拷贝到 webapps上面 ，而后刷新页面就能够看到tomcat页面了root@1a0d54668dd6:/usr/local/tomcat/webapps# cd ..root@1a0d54668dd6:/usr/local/tomcat# cd webapps.distroot@1a0d54668dd6:/usr/local/tomcat/webapps.dist# lsROOT docs examples host-manager managerroot@1a0d54668dd6:/usr/local/tomcat/webapps.dist# cd ..root@1a0d54668dd6:/usr/local/tomcat# cp -r webapps.dist/* webappsroot@1a0d54668dd6:/usr/local/tomcat# cd webappsroot@1a0d54668dd6:/usr/local/tomcat/webapps# lsROOT docs examples host-manager managerroot@1a0d54668dd6:/usr/local/tomcat/webapps#