$ docker pull solr
Using default tag: latest
latest: Pulling from library/solr
e79bb959ec00: Already exists
d4b7902036fe: Already exists
1b2a72d4e030: Already exists
de423484a946: Already exists
9ce08128c662: Already exists
53b0cf80b370: Already exists
52bd533f444d: Already exists
f39d9fa4825b: Already exists
013feecf376e: Pull complete
f865c9d407e6: Pull complete
56cc95ee8609: Pull complete
3cc9251d840f: Pull complete
4aed2ca64e0f: Pull complete
Digest: sha256:f24e1f19a080209ee6f54867adf59e9040ca931e99f8fe6ab0289f222442a175
Status: Downloaded newer image for solr:latest

$ docker images | grep solr
solr                                                          latest              01eeb68dfca6        3 days ago          687MB

$ docker inspect 01eeb68dfca6 | grep solr | grep tgz
                "SOLR_URL=https://archive.apache.org/dist/lucene/solr/8.0.0/solr-8.0.0.tgz",
                "SOLR_URL=https://archive.apache.org/dist/lucene/solr/8.0.0/solr-8.0.0.tgz",