From a0ca94a417f11cedf0b2b4eccc15a7eab855eee3 Mon Sep 17 00:00:00 2001
From: Matthias Keck <mke@scireum.de>
Date: Wed, 24 Jun 2026 15:48:46 +0200
Subject: [PATCH] Separate Docker socket volumes - Split Drone volume anchors
 into cache-only and Docker-enabled variants - Mount the Docker socket only
 for test and Docker publish steps - Keep compile and package steps on
 cache-only volumes

Fixes: NO-TICKET
---
 .drone.yml | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/.drone.yml b/.drone.yml
index 36f0aba4..8f80a7fa 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,5 +1,9 @@
 ---
-scireum_volumes: &scireum_volumes
+scireum_m2_volumes: &scireum_m2_volumes
+  - name: m2
+    path: /root/.m2
+
+scireum_m2_docker_volumes: &scireum_m2_docker_volumes
   - name: docker_socket
     path: /var/run/docker.sock
   - name: m2
@@ -20,7 +24,7 @@ steps:
     image: scireum/sirius-build-jdk24
     commands:
       - mvn clean compile
-    volumes: *scireum_volumes
+    volumes: *scireum_m2_volumes
     when:
       branch:
         - main
@@ -31,7 +35,7 @@ steps:
     image: scireum/sirius-build-jdk24
     commands:
       - mvn clean test
-    volumes: *scireum_volumes
+    volumes: *scireum_m2_docker_volumes
     when:
       event:
         - cron
@@ -52,7 +56,7 @@ steps:
     image: scireum/sirius-build-jdk24
     commands:
       - mvn clean test -Dtest.excluded.groups=nightly
-    volumes: *scireum_volumes
+    volumes: *scireum_m2_docker_volumes
     when:
       event:
         - pull_request
@@ -62,7 +66,7 @@ steps:
     commands:
       - sed -i 's/DEVELOPMENT-SNAPSHOT/${DRONE_TAG}/g' pom.xml
       - mvn clean deploy -DskipTests
-    volumes: *scireum_volumes
+    volumes: *scireum_m2_volumes
     when:
       event:
         - tag
@@ -83,7 +87,7 @@ steps:
     commands:
       - sed -i 's/DEVELOPMENT-SNAPSHOT/${DRONE_TAG}/g' pom.xml
       - mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent test org.jacoco:jacoco-maven-plugin:report sonar:sonar -Dsonar.projectKey=${DRONE_REPO_NAME}
-    volumes: *scireum_volumes
+    volumes: *scireum_m2_docker_volumes
     when:
       event:
         - tag