Add muliple gitea runners

gitea-runner/docker-compose-multi.yml

@@ -0,0 +1,42 @@
+services:
+  gitea_runner1:
+    image: docker.io/gitea/act_runner:nightly
+    container_name: gitea_runner1
+    environment:
+      CONFIG_FILE: /config.yaml
+      GITEA_INSTANCE_URL: "${INSTANCE_URL}"
+      GITEA_RUNNER_REGISTRATION_TOKEN: "${REGISTRATION_TOKEN}"
+      GITEA_RUNNER_NAME: "${RUNNER_NAME1}"
+    volumes:
+      - ./config.yaml:/config.yaml
+      - ./data1:/data
+      - /var/run/docker.sock:/var/run/docker.sock
+    restart: unless-stopped
+
+  gitea_runner2:
+    image: docker.io/gitea/act_runner:nightly
+    container_name: gitea_runner2
+    environment:
+      CONFIG_FILE: /config.yaml
+      GITEA_INSTANCE_URL: "${INSTANCE_URL}"
+      GITEA_RUNNER_REGISTRATION_TOKEN: "${REGISTRATION_TOKEN}"
+      GITEA_RUNNER_NAME: "${RUNNER_NAME2}"
+    volumes:
+      - ./config.yaml:/config.yaml
+      - ./data2:/data
+      - /var/run/docker.sock:/var/run/docker.sock
+    restart: unless-stopped
+
+  gitea_runner3:
+    image: docker.io/gitea/act_runner:nightly
+    container_name: gitea_runner3
+    environment:
+      CONFIG_FILE: /config.yaml
+      GITEA_INSTANCE_URL: "${INSTANCE_URL}"
+      GITEA_RUNNER_REGISTRATION_TOKEN: "${REGISTRATION_TOKEN}"
+      GITEA_RUNNER_NAME: "${RUNNER_NAME3}"
+    volumes:
+      - ./config.yaml:/config.yaml
+      - ./data3:/data
+      - /var/run/docker.sock:/var/run/docker.sock
+    restart: unless-stopped