Merge pull request #42 from rundeck/mysql8

Add mysql8 exhibit

mysql8/.env.dist

@@ -0,0 +1,3 @@
+## Set pro options if applicable
+# RUNDECK_IMAGE=rundeckpro/enterprise:SNAPSHOT
+# RUNDECK_LICENSE_FILE=

mysql8/README.md

@@ -0,0 +1,21 @@
+MySQL Exhibit
+=============
+
+Demonstrates configuring Rundeck to use MySQL as an external database.
+
+# How to
+
+## Startup
+Start the docker compose
+
+```
+docker-compose up
+```
+
+## Teardown
+
+tear down and remove volumes
+
+```
+docker-compose down -v
+```

mysql8/docker-compose.yml

@@ -0,0 +1,29 @@
+services:
+    rundeck:
+        image: rundeck/rundeck:SNAPSHOT
+        links:
+          - mysql
+        environment:
+            RUNDECK_DATABASE_DRIVER: org.mariadb.jdbc.Driver
+            RUNDECK_DATABASE_USERNAME: rundeck
+            RUNDECK_DATABASE_PASSWORD: rundeck
+            RUNDECK_DATABASE_URL: jdbc:mysql://mysql/rundeck?autoReconnect=true&useSSL=false&allowPublicKeyRetrieval=true
+            RUNDECK_GRAILS_URL: http://localhost:4440
+        volumes:
+          - ${RUNDECK_LICENSE_FILE:-/dev/null}:/home/rundeck/etc/rundeckpro-license.key
+        ports:
+          - 4440:4440
+    mysql:
+        image: mysql:8
+        expose:
+          - 3306
+        environment:
+          - MYSQL_ROOT_PASSWORD=root
+          - MYSQL_DATABASE=rundeck
+          - MYSQL_USER=rundeck
+          - MYSQL_PASSWORD=rundeck
+        volumes:
+          - dbdata:/var/lib/mysql
+
+volumes:
+    dbdata: