Move docker folder into root level (#2008)

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

docker/README.md

@@ -0,0 +1,63 @@
+hawkBit Docker
+===
+
+# Setup
+
+## A: Docker Container
+
+Start the hawkBit Update Server as a single container
+
+```bash
+$ docker run -d -p 8080:8080 hawkbit/hawkbit-update-server:latest
+```
+
+## B: Docker Compose
+
+Start the hawkBit Update Server together with an MySQL and RabbitMQ instance as containers
+
+```bash
+# Requires Docker Compose to be installed
+$ docker-compose up -d
+```
+
+## C: Docker Stack
+
+Start the hawkBit Update Server and Device Simulator together with an MySQL and RabbitMQ instance as services within a
+swarm
+
+```bash
+$ docker swarm init
+$ docker stack deploy -c docker-compose-deps-mysql.yml hawkbit
+```
+
+# Access
+
+| Service / Container      | URL                                              | Login       | A        | B        | C        |
+|--------------------------|--------------------------------------------------|-------------|----------|----------|----------|
+| hawkBit Update Server    | [http://localhost:8080/](http://localhost:8080/) | admin:admin | ✓ | ✓ | ✓ |
+| hawkBit Device Simulator | [http://localhost:8083/](http://localhost:8083/) | -           |          |          | ✓ |
+| MySQL                    | localhost:3306/hawkbit                           | root        |          | ✓ | ✓ |
+| RabbitMQ                 | [http://localhost:15672](http://localhost:15672) | guest:guest |          | ✓ | ✓ |
+
+# Configuration
+
+You can override application.properties by setting an environment variable SPRING_APPLICATION_JSON for hawkbit
+container.
+
+```
+hawkbit:
+    image: "hawkbit/hawkbit-update-server:latest-mysql"
+    environment:
+      SPRING_APPLICATION_JSON: '{
+        "spring.datasource.url": "jdbc:mariadb://mysql:3306/hawkbit",
+        "spring.rabbitmq.host": "rabbitmq",
+        "spring.rabbitmq.username": "guest",
+        "spring.rabbitmq.password": "guest",
+        "spring.datasource.username": "root",
+        "hawkbit.server.im.users[0].username": "hawkbit",
+        "hawkbit.server.im.users[0].password": "{noop}isAwesome!",
+        "hawkbit.server.im.users[0].firstname": "Eclipse",
+        "hawkbit.server.im.users[0].lastname": "HawkBit",
+        "hawkbit.server.im.users[0].permissions": "ALL"
+      }'
+```