adds auth to docker login

Jenkinsfile

@@ -25,15 +25,22 @@ def runOneRegression(String suite, String preset, String simulatorPath) {
 }
 
 def resolveImageCommit(String image) {
-  sh(
-    script: """
-      set -eu
-      docker login 
-      docker pull "${image}" >/dev/null
-      docker image inspect --format='{{ index .Config.Labels "git-commit" }}' "${image}"
-    """,
-    returnStdout: true
-  ).trim()
+
+  withCredentials([usernamePassword(
+    credentialsId: gitea-jenkins,
+    usernameVariable: 'REGISTRY_USER',
+    passwordVariable: 'REGISTRY_PASS'
+  )]) {
+    return sh(
+      script: """
+        set -eu
+        echo "\$REGISTRY_PASS" | docker login "git.minres.com" -u "\$REGISTRY_USER" --password-stdin >/dev/null
+        docker pull "${image}" >/dev/null
+        docker image inspect --format='{{ index .Config.Labels "git-commit" }}' "${image}"
+      """,
+      returnStdout: true
+    ).trim()
+  }
 }
 
 def runRegressionLane(String image, String simulatorPath, boolean allowFailure) {