CentOS Stream 8
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Podman : Access to Services on Containers
2021/03/22
 
If you'd like to access to services like HTTP or SSH that are running on Containers as daemons, Configure like follows.
[1] For exmaple, use a Container that [httpd] is installed.
[root@dlp ~]#
podman images

REPOSITORY                  TAG     IMAGE ID      CREATED        SIZE
srv.world/centos-httpd      latest  6a4b6e2cae37  9 minutes ago  322 MB
registry.centos.org/centos  latest  2f3766df23b6  3 months ago   217 MB

# run a container and also start [httpd]

# map with [-p xxx:xxx] to [(Host Port):(Container Port)]

[root@dlp ~]#
podman run -dt -p 8081:80 srv.world/centos-httpd /usr/sbin/apachectl -D FOREGROUND

e2acae2d06f1d29363a0caa078d355374a15056b517b0885acfbd46b7152b396

[root@dlp ~]#
podman ps

CONTAINER ID  IMAGE                   COMMAND               CREATED        STATUS             PORTS                 NAMES
e2acae2d06f1  srv.world/centos-httpd  /usr/sbin/apachec...  9 seconds ago  Up 10 seconds ago  0.0.0.0:8081->80/tcp  elastic_galileo

# create a test page

[root@dlp ~]#
podman exec e2acae2d06f1 /bin/bash -c 'echo "httpd on Podman Container" > /var/www/html/index.html'
# verisy accesses

[root@dlp ~]#
curl localhost:8081

httpd on Podman Container
# also possible to access via container network

[root@dlp ~]#
podman inspect -l | grep \"IPAddress

            "IPAddress": "10.88.0.16",
                    "IPAddress": "10.88.0.16",

[root@dlp ~]#
curl 10.88.0.16

httpd on Podman Container
Matched Content