From 571268c9b4fa14de8b1c253c47e09fbaf8b37744 Mon Sep 17 00:00:00 2001
From: Kyle Pope <kyle.a.pope@outlook.com>
Date: Wed, 18 Mar 2026 04:31:42 +0800
Subject: [PATCH] Fix act_runner: add explicit DOCKER_HOST env var

The act_runner container couldn't find the Docker socket despite the
volume mount. Adding DOCKER_HOST=unix:///var/run/docker.sock explicitly
tells the runner where to find it.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 docker-compose.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker-compose.yaml b/docker-compose.yaml
index ccd3dfd..d51d107 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -70,6 +70,7 @@ services:
       - act_runner_data:/data
       - /var/run/docker.sock:/var/run/docker.sock
     environment:
+      - DOCKER_HOST=unix:///var/run/docker.sock
       - GITEA_INSTANCE_URL=https://git.sentinelforest.xyz
       - GITEA_RUNNER_REGISTRATION_TOKEN=${GITEA_RUNNER_REGISTRATION_TOKEN}
       - GITEA_RUNNER_NAME=umbra-runner