[GitHub] kocolosk opened a new pull request #59: Introduce a development-friendly Dockerfil

[GitBox <gi...@apache.org>]

kocolosk opened a new pull request #59: Introduce a development-friendly Dockerfil
URL: https://github.com/apache/couchdb-docker/pull/59
 
 
   This dev image configuration is modeled after the 2.1.1 Dockerfile with a few modifications useful for day-to-day development:
   
   * The Dockerfile builds from git rather than the official source releases. The build is configurable using the following `build-args`:
   
   ```
   clone_url (default: https://gitbox.apache.org/repos/asf/couchdb.git)
   checkout_branch (default: master)
   configure_options (default: <blank>)
   ```
   
     The configure_options are passed directly to ./configure and can be used to e.g. `--disable-docs` or `--disable-fauxton`:
   
   ```
   docker build --build-arg checkout_branch=my-cool-feature dev/
   ```
   
   * We take advantage of [multi-stage builds](https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/#use-multi-stage-builds) to create a series of layers that optimize build time without inflating the final image size. In normal development the layers that install runtime and build dependencies will be cached, and the build will start by updating and configuring the existing git clone.
   
   This work includes the changes proposed in #50 and #57. It moves the existing "cluster-in-a-box" Dockerfile to `dev-cluster`; I'd be curious to see if anyone uses that approach. Personally I think we should continue to refine and harden the Helm chart providing a Kubernetes StatefulSet and refer folks there instead. 

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