学习Docker的第二天
02day
很喜欢狂神的一句话 即使再小的帆 也能远航！！！ 加油
部署nginx
#1.先去查看仓库有没有镜像
root@fanwd-virtual-machine:/home# docker search nginx
NAME DESCRIPTION STARS OFFICIAL AUTOMATED
nginx Official build of Nginx. 14630 [OK]
jwilder/nginx-proxy Automated Nginx reverse
#2.下载 或者挑选版本
root@fanwd-virtual-machine:/home# docker pull nginx
Using default tag: latest
latest: Pulling from library/nginx
6f28985ad184: Pull complete
29f7ebf60efd: Pull complete
879a7c160ac6: Pull complete
de58cd48a671: Pull complete
be704f37b5f4: Pull complete
158aac73782c: Pull complete
Digest: sha256:d2925188effb4ddca9f14f162d6fba9b5fab232028aa07ae5c1dab764dca8f9f
Status: Downloaded newer image for nginx:latest
docker.io/library/nginx:latest
#3.运行测试
#-d 后台运行
# -p 宿主机端口， 容器内部端口
root@fanwd-virtual-machine:/home# docker run -d --name nginx01 -p 3344:80 nginx #--name 给容器命名
9bdc6b9197bcebaa790e623227e8250ff4baaf89bba28798dcf601015261559e
root@fanwd-virtual-machine:/home# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9bdc6b9197bc nginx "/docker-entrypoint.…" 6 seconds ago Up 4 seconds 0.0.0.0:3344->80/tcp nginx01
root@fanwd-virtual-machine:/home# curl localhost:3344
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
body {
width: 35em;
#进入容器
root@fanwd-virtual-machine:/home# docker exec -it nginx01 /bin/bash
root@9bdc6b9197bc:/# whereis nginx
nginx: /usr/sbin/nginx /usr/lib/nginx /etc/nginx /usr/share/nginx
root@9bdc6b9197bc:/# cd /etc/nginx
root@9bdc6b9197bc:/etc/nginx# ls
conf.d fastcgi_params koi-utf koi-win mime.types modules nginx.conf scgi_params uwsgi_params win-utf
root@9bdc6b9197bc:/etc/nginx#
部署tomcat
#官方 提示tomcat下载 用完即删
root@fanwd-virtual-machine:/home# docker run -it --rm tomcat:9.0 一般用来测试
Unable to find image 'tomcat:9.0' locally
9.0: Pulling from library/tomcat
e22122b926a1: Pull complete
f29e09ae8373: Pull complete
e319e3daef68: Pull complete
e499244fe254: Pull complete
f3c39da3e61d: Pull complete
root@fanwd-virtual-machine:/home# docker ps 没有容器正在运行 测试！！！
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
#启动运行
root@fanwd-virtual-machine:/home# docker run -d -p 3355:8080 --name tomcat01 tomcat
f5ec812e266bfd91a10a5d9dcca5f7b9d34938ef208262c6f9e75f9009c947fe
#测试访问没有任何问题
#进入容器
oot@fanwd-virtual-machine:/home# docker exec -it tomcat01 /bin/bash
root@f5ec812e266b:/usr/local/tomcat# ls
BUILDING.txt LICENSE README.md RUNNING.txt conf logs temp webapps.dist
CONTRIBUTING.md NOTICE RELEASE-NOTES bin lib native-jni-lib webapps work
#发现问题 1.linux命令少
#2.没有webapps
#保证最小运行环境
#更改之后测试
root@f5ec812e266b:/usr/local/tomcat# cp -r webapps.dist/* webapps
root@f5ec812e266b:/usr/local/tomcat# cd webapps
root@f5ec812e266b:/usr/local/tomcat/webapps# ls
ROOT docs examples host-manager manager
#打开本地直接3355 端口访问页面
部署
ES+Kibana
#启动
root@fanwd-virtual-machine:/home# docker run -d --name elasticsearch -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" elasticsearch:7.6.2
Unable to find image 'elasticsearch:7.6.2' locally
7.6.2: Pulling from library/elasticsearch
ab5ef0e58194: Pull complete
c4d1ca5c8a25: Pull complete
941a3cc8e7b8: Pull complete
43ec483d9618: Pull complete
c486fd200684: Pull complete
1b960df074b2: Pull complete
1719d48d6823: Pull complete
Digest: sha256:1b09dbd93085a1e7bca34830e77d2981521a7210e11f11eda997add1c12711fa
Status: Downloaded newer image for elasticsearch:7.6.2
23d739bbbb9de5edbf02883d6e7e6d916238f241a3b4aac75034c4159ea6e0d4
#测试
root@fanwd-virtual-machine:/home# curl localhost:9200
{
"name" : "58e7a783b6f8",
"cluster_name" : "docker-cluster",
"cluster_uuid" : "Ga9XmC90SuuLrzOj60_9tw",
"version" : {
"number" : "7.6.2",
"build_flavor" : "default",
"build_type" : "docker",
"build_hash" : "ef48eb35cf30adf4db14086e8aabd07ef6fb113f",
"build_date" : "2020-03-26T06:34:37.794943Z",
"build_snapshot" : false,
"lucene_version" : "8.4.0",
"minimum_wire_compatibility_version" : "6.8.0",
"minimum_index_compatibility_version" : "6.0.0-beta1"
},
"tagline" : "You Know, for Search"
}
#查询运行状态
root@fanwd-virtual-machine:/home# docker stats
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
e53175153829 elasticsearch05 0.09% 1.236GiB / 3.815GiB 32.40% 3.54kB / 984B 0B / 729kB 43
commit镜像
docker commit #提交容器 成为一个新的副本
#命令和git类似
docker cimmit -m="#提交的描述信息" -a="作者" 容器id 目标镜像名：【标签】
实战测试
#启动前一个默认的tomcat
#发现这个默认的tomcat 是没有webapps应用 镜像的原因 webapps没有文件
#自己拷贝
#修改后的容器通过commit提交为新的镜像
root@fanwd-virtual-machine:/home/fanw# docker commit -a="xiaohei" -m="add webapps app" c5fe7aef1e7a tomcat02:1.0
sha256:8b239e7862abbc3e0417afe27fa749a4570f89c0b69408ec457dd7cb8574d38e
root@fanwd-virtual-machine:/home/fanw# docker iamges
docker: 'iamges' is not a docker command.
See 'docker --help'
root@fanwd-virtual-machine:/home/fanw# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
tomcat02 1.0 8b239e7862ab 13 seconds ago 672MB
tomcat latest 08efef7ca980 12 days ago 667MB
elasticsearch 7.6.2 f29a1ee41030 12 months ago 791MB
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