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nexus3

https://hub.docker.com/r/sonatype/nexus3

podman run -d -p 8081:8081 --name nexus sonatype/nexus3

✔ docker.io/sonatype/nexus3:latest
Trying to pull docker.io/sonatype/nexus3:latest...
Getting image source signatures
Copying blob 0d875a68bf99 done  
Copying blob a970fe737b83 done  
Copying blob 8dfe9326f733 done  
Copying blob c1a2af48c694 done  
Copying blob 18238e9f24c5 done  
Copying config 1e1d45f195 done  
Writing manifest to image destination
Storing signatures
7ad23835aa006be052766d83fc2bd9a5fb030c5d5eeb9a00bdf7c43ba08207c9

Retrieves logs for one or more containers.

podman logs -f nexus

2022-03-10 01:35:10,526+0000 INFO  [jetty-main-1] *SYSTEM org.eclipse.jetty.server.Server - Started @47435ms
2022-03-10 01:35:10,526+0000 INFO  [jetty-main-1] *SYSTEM org.sonatype.nexus.bootstrap.jetty.JettyServer - 
-------------------------------------------------

Started Sonatype Nexus OSS 3.38.0-01

-------------------------------------------------

ctrl-c to quit

podman logs --help

Execute the specified command inside a running container.

podman exec -it nexus bash

bash-4.4$ less /nexus-data/admin.password 
bash: less: command not found
bash-4.4$ cat /nexus-data/admin.password 
e578e9fc-ba78-4299-86a4-e6bbd303650ebash-4.4$ exit

podman exec --help

open http://localhost:8081 in a browser

sign in and create a user for yourself

podman stop nexus

nexus

http://localhost:8081 is no longer accessable

podman start nexus

nexus

podman logs -f nexus to see when it's ready

http://localhost:8081 can you login?

podman rm -f nexus

7ad23835aa006be052766d83fc2bd9a5fb030c5d5eeb9a00bdf7c43ba08207c9

podman run -d -p 8081:8081 --name nexus sonatype/nexus3

8c0bb9941a42b14bc1727a3711363fd96e9445bb2263c453d4873140824dd765

podman logs -f nexus to see when it's ready

http://localhost:8081 can you login?

Containers have a read/write layer that is retained if you stop them but if you delete the container is dissapears.

podman rm -f nexus

Volumes are created in and can be shared between containers

podman volume --help

podman run --help

  • -v, --volume stringArray Bind mount a volume into the container
  • -P, --publish-all Publish all exposed ports to random ports on the host interface

Introducing a twist with adding port 80, and touch about Rootless containers

Publish all exposed ports to random ports on the host interface

podman run -d -p 8081:8081 -p 80:8082 --name nexus -v nexus-data:/nexus-data sonatype/nexus3

Error: rootlessport cannot expose privileged port 80, you can add 'net.ipv4.ip_unprivileged_port_start=80' to /etc/sysctl.conf (currently 1024), or choose a larger port number (>= 1024): listen tcp 0.0.0.0:80: bind: permission denied

sudo podman run -d -p 8081:8081 -p 80:8082 --name nexus -v nexus-data:/nexus-data sonatype/nexus3

d362f8abbcee8018ee2e5ff83ad7c93341d0b275f45f86e481ed11433202b958

sudo podman volume ls DRIVER VOLUME NAME local nexus-data

podman volume --help

sudo podman volume inspect nexus-data

[
    {
        "Name": "nexus-data",
        "Driver": "local",
        "Mountpoint": "/var/lib/containers/storage/volumes/nexus-data/_data",
        "CreatedAt": "2022-03-09T19:08:39.681345199-08:00",
        "Labels": {},
        "Scope": "local",
        "Options": {},
        "UID": 200,
        "GID": 200
    }
]

sudo cat /var/lib/containers/storage/volumes/nexus-data/_data/admin.password

sudo podman logs -f nexus to see when it's ready

open http://localhost:8081 in a browser

  • Create User
  • Create Repository: docker (hosted)
    • Create HTTP: with port 8082
    • Allow anonymous docker pull ( Docker Bearer Token Realm required )
  • Docker Bearer Token Realm required

podman stop -t 120 nexus

nexus

podman rm nexus

b82889f42a66bedf12b102e5726315e6205eba5b9da85fbda86a108ef17ae305

podman run -d -p 8081:8081 -p 80:8082 --name nexus -v nexus-data:/nexus-data sonatype/nexus3

Error: rootlessport cannot expose privileged port 80, you can add 'net.ipv4.ip_unprivileged_port_start=80' to /etc/sysctl.conf (currently 1024), or choose a larger port number (>= 1024): listen tcp 0.0.0.0:80: bind: permission denied

sudo podman volume inspect nexus-data

[
    {
        "Name": "nexus-data",
        "Driver": "local",
        "Mountpoint": "/var/lib/containers/storage/volumes/nexus-data/_data",
        "CreatedAt": "2022-03-09T18:52:48.363338074-08:00",
        "Labels": {},
        "Scope": "local",
        "Options": {},
        "UID": 200,
        "GID": 200
    }
]

podman run -d -p 8081:8081 --name nexus -v nexus-data:/nexus-data sonatype/nexus3