From af5ca8be731229b15204329b64ff4e760cdcfbb6 Mon Sep 17 00:00:00 2001
From: nanxun <nanxun@nxsir.cn>
Date: Fri, 21 Aug 2026 23:18:52 +0800
Subject: [PATCH] ci: retry docker builds across proxy outages

---
 Jenkinsfile.backend-docker | 34 ++++++++++++++++++++--------------
 1 file changed, 20 insertions(+), 14 deletions(-)

diff --git a/Jenkinsfile.backend-docker b/Jenkinsfile.backend-docker
index 28a474e..1621ec2 100644
--- a/Jenkinsfile.backend-docker
+++ b/Jenkinsfile.backend-docker
@@ -88,20 +88,26 @@ pipeline {
 
         stage('Build linux-amd64 Image') {
             steps {
-                retry(2) {
-                    sh '''
-                        set -euo pipefail
-                        $DOCKER_CMD buildx build \
-                          --platform linux/amd64 \
-                          --load \
-                          --file Dockerfile.backend \
-                          --build-arg "BUILD_VERSION=$IMMUTABLE_TAG" \
-                          --build-arg "VCS_REF=$FULL_SHA" \
-                          --build-arg "BUILD_DATE=$BUILD_DATE" \
-                          --tag "$IMAGE_REF" \
-                          .
-                    '''
-                }
+                sh '''
+                    set -euo pipefail
+                    for attempt in $(seq 1 6); do
+                      if $DOCKER_CMD buildx build \
+                        --platform linux/amd64 \
+                        --load \
+                        --file Dockerfile.backend \
+                        --build-arg "BUILD_VERSION=$IMMUTABLE_TAG" \
+                        --build-arg "VCS_REF=$FULL_SHA" \
+                        --build-arg "BUILD_DATE=$BUILD_DATE" \
+                        --tag "$IMAGE_REF" \
+                        .; then
+                        break
+                      fi
+                      if [ "$attempt" -ge 6 ]; then
+                        exit 1
+                      fi
+                      sleep $((attempt * 10))
+                    done
+                '''
                 sh '''
                     set -euo pipefail
                     test "$($DOCKER_CMD image inspect "$IMAGE_REF" --format '{{.Os}}/{{.Architecture}}')" = 'linux/amd64'