From 9c6ab77b72db99ea95d13f947c447802d2b71710 Mon Sep 17 00:00:00 2001
From: hsiegeln <37154749+hsiegeln@users.noreply.github.com>
Date: Tue, 7 Apr 2026 15:40:57 +0200
Subject: [PATCH] fix: configure Docker client to use Unix socket

Default docker-java config resolved to localhost:2375 (TCP) inside the
container. Explicitly set docker host to unix:///var/run/docker.sock
which is volume-mounted from the host.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .../cameleer/saas/runtime/DockerRuntimeOrchestrator.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/net/siegeln/cameleer/saas/runtime/DockerRuntimeOrchestrator.java b/src/main/java/net/siegeln/cameleer/saas/runtime/DockerRuntimeOrchestrator.java
index e576aba..9b719a0 100644
--- a/src/main/java/net/siegeln/cameleer/saas/runtime/DockerRuntimeOrchestrator.java
+++ b/src/main/java/net/siegeln/cameleer/saas/runtime/DockerRuntimeOrchestrator.java
@@ -32,7 +32,9 @@ public class DockerRuntimeOrchestrator implements RuntimeOrchestrator {
 
     @PostConstruct
     public void init() {
-        var config = DefaultDockerClientConfig.createDefaultConfigBuilder().build();
+        var config = DefaultDockerClientConfig.createDefaultConfigBuilder()
+                .withDockerHost("unix:///var/run/docker.sock")
+                .build();
         var httpClient = new ApacheDockerHttpClient.Builder()
                 .dockerHost(config.getDockerHost())
                 .build();