Github user joshelser commented on a diff in the pull request:
https://github.com/apache/calcite-avatica/pull/3#discussion_r110034522
--- Diff: docker/README.md ---
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+
+This module contains a number of Docker images to ease testing of
+Avatica clients against a known-server.
+
+## Docker
+
+`src/main/docker` contains a number of Docker images and Docker-compose
+configuration files to launch a standalone-Avatica server. Maven automation
+exists for the base Docker image "avatica-server" which can be invoked with
+the "-Pdocker" Maven profile.
+
+The other Docker images must be built by hand.
+
+### Provided Images
+
+A number of Docker images for different databases are provided. Presently,
they include:
+
+*
[HyperSQL](https://github.com/apache/calcite-avatica/tree/master/docker/src/main/docker/hypersql)
+*
[MySQL](https://github.com/apache/calcite-avatica/tree/master/docker/src/main/docker/mysql)
+*
[PostgreSQL(https://github.com/apache/calcite-avatica/tree/master/docker/src/main/docker/postgresql)
+
+## Dockerhub
+
+`src/main/dockerhub` contains a copy of the same `avatica-server`
Dockerfile
--- End diff --
Yeah, sadly. This is "state-of-the-art" as I understand it. We have the
ability to build the "snapshot" image using spotify's maven-docker-plugin, but
this doesn't work for the ASF release process (in which we wanna pull from the
"officially release artifacts").
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