Docker : Use Dockerfile2022/01/21

	Use Dockerfile and create Docker images automatically. It is also useful for configuration management.
[1]	For example, Create a Dockerfile to install IIS.
Windows PowerShell
Copyright (C) Microsoft Corporation. All rights reserved.

PS C:\Users\Administrator> mkdir docker-file 
PS C:\Users\Administrator\docker-file> cd docker-file 

# create Dockerfile
PS C:\Users\Administrator\docker-file> $str_file = @"
FROM mcr.microsoft.com/windows/servercore:ltsc2022
MAINTAINER ServerWorld <admin@srv.world>

RUN dism.exe /online /enable-feature /all /featurename:iis-webserver /NoRestart
RUN echo Dockerfile test example > C:\inetpub\wwwroot\index.html

EXPOSE 80
CMD [ "cmd" ]
"@ 

PS C:\Users\Administrator\docker-file> $str_file | Out-File Dockerfile -Encoding Default 

# build image ⇒ docker build -t [image name]:[tag] . 
PS C:\Users\Administrator\docker-test> docker build -t srv.world/iis-server:latest . 
Sending build context to Docker daemon  2.048kB
Step 1/6 : FROM mcr.microsoft.com/windows/servercore:ltsc2022
 ---> 11cbc9e36c7a
Step 2/6 : MAINTAINER ServerWorld <admin@srv.world>
 ---> Running in c775d6cedbb1
Removing intermediate container c775d6cedbb1
 ---> 05582598eefe
Step 3/6 : RUN dism.exe /online /enable-feature /all /featurename:iis-webserver /NoRestart
 ---> Running in c92f3ef1c94e

.....
.....

Step 6/6 : CMD [ "cmd" ]
 ---> Running in b7c3e38a4740
Removing intermediate container b7c3e38a4740
 ---> 0eaa2396d003
Successfully built 0eaa2396d003
Successfully tagged srv.world/iis-server:latest

PS C:\Users\Administrator\docker-test> docker images 
REPOSITORY                             TAG        IMAGE ID       CREATED          SIZE
srv.world/iis-server                   latest     0eaa2396d003   2 minutes ago    5.07GB
mcr.microsoft.com/windows/servercore   ltsc2022   11cbc9e36c7a   4 days ago       4.95GB

# run Container on background
PS C:\Users\Administrator\docker-test> docker run -dt -p 8081:80 srv.world/iis-server 
bb75b4501071296845a574ec2884f7de7d05e91988b9022b3e73225fbb3d3d9e

PS C:\Users\Administrator\docker-test> docker ps 
CONTAINER ID   IMAGE                  COMMAND   CREATED          STATUS          PORTS                  NAMES
bb75b4501071   srv.world/iis-server   "cmd"     29 seconds ago   Up 28 seconds   0.0.0.0:8081->80/tcp   condescending_darwin

# verify accesses
PS C:\Users\Administrator\docker-test> curl.exe localhost:8081 
Dockerfile test example
Matched Content