Docker deployment nginx
Pull nginx and display
[root@localhost ~]# docker pull nginx
Using default tag: latest
latest: Pulling from library/nginx
a2abf6c4d29d: Pull complete
a9edb18cadd1: Pull complete
589b7251471a: Pull complete
186b1aaa4aa6: Pull complete
b4df32aa5a72: Pull complete
a0bcbecc962e: Pull complete
Digest: sha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31
Status: Downloaded newer image for nginx:latest
docker.io/library/nginx:latest
[root@localhost ~]# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
nginx latest 605c77e624dd 6 months ago 141MB
hello-world latest feb5d9fea6a5 9 months ago 13.3kB
centos latest 5d0da3dc9764 9 months ago 231MB
Exposed port startup:
the local machine is 3344, which maps to 80 in docker
[root@localhost ~]# docker run -d --name nginx01 -p 3344:80 nginx
test:
curl localhost:3344
The following figure is displayed to indicate that the access is successful:
Port exposure Explanation:
Deploy tomcat
to pull tomcat
official:
docker pull tomcat:9.0
Run and test:
[root@localhost ~]# docker run -d -p 3355:8080 --name tomcat01 tomcat #默认是最新，所以需要指定版本号
Unable to find image 'tomcat:latest' locally
^C
[root@localhost ~]# docker run -d -p 3355:8080 --name tomcat01 tomcat:9.0
07d324d85900e7bd14d82f3d0ce9330ab45f44971eced296e5bc2d7df7f795c7
[root@localhost ~]# curl localhost:3355
<!doctype html><html lang="en"><head><title>HTTP Status 404 – Not Found</title><style type="text/css">body {
font-family:Tahoma,Arial,sans-serif;} h1, h2, h3, b {
color:white;background-color:#525D76;} h1 {font-size:22px;} h2 {font-size:16px;} h3 {font-size:14px;} p {font-size:12px;} a {color:black;} .line {height:1px;background-color:#525D76;border:none;}</style></head><body><h1>HTTP Status 404 – Not Found</h1><hr class="line" /><p><b>Type</b> Status Report</p><p><b>Description</b> The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.</p><hr class="line" /><h3>Apache Tomcat/9.0.56</h3></body></html>[root@localhost ~]#
It was found that it was 404, indicating that it was not completely successful.
Found the problem:
You can see that there is no ll command in this container, and there is nothing under the webapps directory. It shows that this container only has the most basic guarantee, and some content does not exist.
Solve the problem:
We copy the content under webapps.dist to webapps, and the operation is as follows.
Tested again and it worked.
