Setup docker config.json on CI when building project

Author: philwebb

ci/pipeline.yml

@@ -20,6 +20,7 @@ anchors:
     DOCKER_HUB_MIRROR: ((docker-hub-mirror))
     DOCKER_HUB_USERNAME: ((docker-hub-username))
     DOCKER_HUB_PASSWORD: ((docker-hub-password))
+    DOCKER_HUB_AUTH: ((docker-hub-auth))
   github-task-params: &github-task-params
     GITHUB_REPO: spring-boot
     GITHUB_ORGANIZATION: spring-projects

ci/tasks/build-project.yml

@@ -20,8 +20,12 @@ params:
 run:
   path: bash
   args:
-    - -ec
-    - |
-      source /docker-lib.sh
-      start_docker $DOCKER_HUB_MIRROR
-      ${PWD}/git-repo/ci/scripts/build-project.sh
+  - "-ec"
+  - |
+    mkdir -p /root/.docker
+    cat > /root/.docker/config.json <<EOF
+    { "auths": { "https://index.docker.io/v1/": { "auth": "$DOCKER_HUB_AUTH" }}}
+    EOF
+    source /docker-lib.sh
+    start_docker $DOCKER_HUB_MIRROR
+    ${PWD}/git-repo/ci/scripts/build-project.sh