Add environment configuration files to .gitignore (#2830)

* Add environment configuration files to .gitignore

* Delete config files from repo

* Refactor release cb file to delete config file lines from gitignore

* Reorder env files

* Add README for config files

Author: jicelhay

.gitignore

@@ -18,6 +18,13 @@ gjf.out
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
+# Environment-specific configuration files
+core/src/main/java/google/registry/config/files/nomulus-config-alpha.yaml
+core/src/main/java/google/registry/config/files/nomulus-config-crash.yaml
+core/src/main/java/google/registry/config/files/nomulus-config-production.yaml
+core/src/main/java/google/registry/config/files/nomulus-config-qa.yaml
+core/src/main/java/google/registry/config/files/nomulus-config-sandbox.yaml
+
 ######################################################################
 # Eclipse Ignores
 

core/src/main/java/google/registry/config/files/README.md

@@ -0,0 +1,13 @@
+# Nomulus Environment Configuration
+
+The configuration files for the different Nomulus environments are not included in this repository. To configure and run a specific environment, you will need to create the corresponding YAML configuration file in this directory.
+
+The following is a list of the environment configuration files that you may need to create:
+
+*   `nomulus-config-alpha.yaml`
+*   `nomulus-config-crash.yaml`
+*   `nomulus-config-qa.yaml`
+*   `nomulus-config-sandbox.yaml`
+*   `nomulus-config-production.yaml`
+
+Please create the relevant file for the environment you intend to use and populate it with the necessary configuration details.

core/src/main/java/google/registry/config/files/nomulus-config-alpha.yaml

@@ -42,6 +42,20 @@ steps:
     rm -rf .git && rm -rf nomulus-internal/.git
     cp -rf nomulus-internal/* .
     rm -rf nomulus-internal
+# Remove environment configs from .gitignore
+- name: 'gcr.io/cloud-builders/git'
+  entrypoint: /bin/bash
+  args:
+  - -c
+  - |
+    set -e
+    sed -i \
+        -e '\#core/src/main/java/google/registry/config/files/nomulus-config-alpha.yaml#d' \
+        -e '\#core/src/main/java/google/registry/config/files/nomulus-config-crash.yaml#d' \
+        -e '\#core/src/main/java/google/registry/config/files/nomulus-config-production.yaml#d' \
+        -e '\#core/src/main/java/google/registry/config/files/nomulus-config-qa.yaml#d' \
+        -e '\#core/src/main/java/google/registry/config/files/nomulus-config-sandbox.yaml#d' \
+        .gitignore
 # Build the builder image and pull the base images, them upload them to GCR.
 - name: 'gcr.io/cloud-builders/docker'
   entrypoint: /bin/bash