Artifactory docker with custom user id permissions issues for extra configurations and nginx

When running Artifactory docker with a custom UID and GID (example '–user 10121:10121) we see two issues

1. Artifactory Docker image

Passing of the EXTRA_JAVA_OPTIONS environment variable, you will get permission denied error:

"cp: cannot create regular file '/opt/jfrog/artifactory/bin/artifactory.default.origin': Permission denied"

environment:

• EXTRA_JAVA_OPTIONS=-Xmx4g

2. Nginx Docker image 

Nginx fails to start with custom user. The workaround is as follows (Does not include a workaround for the environment variable issue):

1. Create cache directory on host ${PATH_ON_HOST_TO}/nginx-cache
2. Create pid file on host ${PATH_ON_HOST_TO}/nginx.pid:/var/run/nginx.pid
3. Give write permissions to user UID_NUMBER to the cache directory and pid file on host
4. Edit compose yaml and add two mounts for the nginx container:

• ${PATH_ON_HOST_TO}/nginx-cache:/var/cache/nginx
• ${PATH_ON_HOST_TO}/nginx.pid:/var/run/nginx.pid 

To reproduce, add the following parameters to the docker run or compose yaml

Docker run: "–user 10121:10121"

Docker compose: 

 user: 10121:10121