diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index 9c1d113..97a1f78 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -2,10 +2,11 @@ name: Build & Publish Docker Image
 
 on:
   push:
-    branches: [main]
+    branches: [main, develop]
     tags: ["v*.*.*"]
   pull_request:
     branches: [main, develop]
+  workflow_dispatch:
 
 permissions:
   contents: read
@@ -140,6 +141,11 @@ jobs:
             TAGS="${IMAGE}:${VERSION},${IMAGE}:latest"
           elif [[ "${GH_REF}" == refs/heads/main ]]; then
             TAGS="${IMAGE}:latest,${IMAGE}:main-${SHA_SHORT}"
+          elif [[ "${GH_REF}" == refs/heads/develop ]]; then
+            TAGS="${IMAGE}:develop,${IMAGE}:develop-${SHA_SHORT}"
+          else
+            echo "::error::Unsupported ref ${GH_REF} — no publish tags derived (expected main, develop, or a v* tag)." >&2
+            exit 1
           fi
 
           echo "tags=${TAGS}" >> "$GITHUB_OUTPUT"