services: drone: use drone-runner instead of drone-agent

I also changed the capacity to run a few more pipelines at the same
time.

docker-compose.yml

@@ -128,17 +128,17 @@ services:
     depends_on:
       - gitea
 
-  drone-agent:
-    image: drone/agent:1
-    container_name: drone-agent
+  drone-runner:
+    image: drone/drone-runner-docker:1
+    container_name: drone-runner
     restart: unless-stopped
     env_file:
-      - ./drone/drone-agent.env
-      - ./drone/drone-agent.env.secret
+      - ./drone/drone-runner.env
+      - ./drone/drone-runner.env.secret
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
-    ports:
-      - 3030:3000
+    expose:
+      - 3000
     depends_on:
       - drone-server
 

drone/drone-runner.env

@@ -1,4 +1,7 @@
 DRONE_RPC_HOST=drone.belanyi.fr
 DRONE_RPC_PROTO=https
+DRONE_RUNNER_CAPACITY=5
 # Put into a secret environment file
 #DRONE_RPC_SECRET=FIXME-CHANGE-THIS
+#DRONE_UI_USERNAME=FIXME-CHANGE-THIS
+#DRONE_UI_PASSWORD=FIXME-CHANGE-THIS