fix: pull runner from Gitea registry

setup-gitea-runner.sh

@@ -4,7 +4,7 @@ set -Eeuo pipefail
 
 GITEA_URL="${GITEA_URL:-http://38.76.196.225:10099/}"
 GITEA_REPOSITORY="${GITEA_REPOSITORY:-awaioi/ERP}"
-RUNNER_IMAGE="${RUNNER_IMAGE:-gitea/runner:3.0.2}"
+RUNNER_IMAGE="${RUNNER_IMAGE:-}"
 RUNNER_CONTAINER="${RUNNER_CONTAINER:-gitea-runner}"
 RUNNER_VOLUME="${RUNNER_VOLUME:-gitea-runner-data}"
 RUNNER_LABELS="${RUNNER_LABELS:-ubuntu-latest:docker://docker.gitea.com/runner-images:ubuntu-latest}"
@@ -46,6 +46,32 @@ find_gitea_container() {
   return 1
 }
 
+pull_runner_image() {
+  local candidate
+  local -a candidates
+
+  if [[ -n "$RUNNER_IMAGE" ]]; then
+    candidates=("$RUNNER_IMAGE")
+  else
+    candidates=(
+      "docker.gitea.com/runner:3.0.2"
+      "docker.gitea.com/act_runner:3.0.2"
+      "gitea/runner:3.0.2"
+    )
+  fi
+
+  for candidate in "${candidates[@]}"; do
+    log "Pulling $candidate"
+    if docker pull "$candidate"; then
+      RUNNER_IMAGE="$candidate"
+      return 0
+    fi
+    log "Image source failed; trying the next source"
+  done
+
+  fail "all official Gitea Runner image sources failed"
+}
+
 GITEA_CONTAINER="$(find_gitea_container || true)"
 [[ -n "$GITEA_CONTAINER" ]] || fail "no running Gitea container was found"
 
@@ -72,8 +98,7 @@ fi
 [[ -s "$TOKEN_FILE" ]] || fail "Gitea returned an empty runner token"
 chmod 600 "$TOKEN_FILE"
 
-log "Pulling $RUNNER_IMAGE"
-docker pull "$RUNNER_IMAGE"
+pull_runner_image
 docker rm -f "$RUNNER_CONTAINER" >/dev/null 2>&1 || true
 docker volume create "$RUNNER_VOLUME" >/dev/null
 docker run --rm --entrypoint /bin/rm \