Fix docker latest tagging (#80)

Author: nithishr

.github/workflows/docker.yml

@@ -34,29 +34,36 @@ jobs:
 
       - name: Check if stable release
         id: check-stable
+        if: startsWith(github.ref, 'refs/tags/')
         run: |
           TAG_NAME="${GITHUB_REF#refs/tags/}"
+          echo "Checking tag: $TAG_NAME"
+
+          # Only match vX.Y.Z format (no suffixes like rc, alpha, beta)
           if [[ "$TAG_NAME" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
             echo "is_stable=true" >> $GITHUB_OUTPUT
-            echo "This is a stable release: $TAG_NAME"
+            echo "This is a STABLE release: $TAG_NAME"
           else
             echo "is_stable=false" >> $GITHUB_OUTPUT
-            echo "This is a pre-release: $TAG_NAME"
+            echo "This is a PRE-RELEASE: $TAG_NAME (will not update 'latest' or major.minor tags)"
           fi
 
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          flavor: |
+            # Disable automatic 'latest' tag to have explicit control
+            latest=false
           tags: |
             # For PRs: tag as pr-<number>
             type=ref,event=pr
-            # For tags: extract full version without 'v' prefix (e.g., 0.5.2 or 0.5.2rc3)
-            type=match,pattern=v(.*),group=1,enable=${{ startsWith(github.ref, 'refs/tags/v') }}
+            # For all tags: extract full version without 'v' prefix (e.g., 0.5.2 or 0.5.2rc3)
+            type=match,pattern=v(.*),group=1
             # For stable releases only: extract major.minor (e.g., 0.5 from v0.5.2)
             type=match,pattern=v(\d+\.\d+),group=1,enable=${{ steps.check-stable.outputs.is_stable == 'true' }}
-            # Tag as 'latest' only for stable releases
+            # For stable releases only: tag as 'latest'
             type=raw,value=latest,enable=${{ steps.check-stable.outputs.is_stable == 'true' }}
 
       - name: Set build timestamp

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "couchbase-mcp-server"
-version = "0.5.2rc5"
+version = "0.5.2rc6"
 description = "Couchbase MCP Server - The Developer Data Platform for Critical Applications in Our AI World"
 readme = "README.md"
 requires-python = ">=3.10,<3.14"

server.json

@@ -6,12 +6,12 @@
     "url": "https://github.com/Couchbase-Ecosystem/mcp-server-couchbase",
     "source": "github"
   },
-  "version": "0.5.2rc5",
+  "version": "0.5.2rc6",
   "packages": [
     {
       "registryType": "pypi",
       "identifier": "couchbase-mcp-server",
-      "version": "0.5.2rc5",
+      "version": "0.5.2rc6",
       "transport": {
         "type": "stdio"
       },
@@ -172,7 +172,7 @@
     },
     {
       "registryType": "oci",
-      "identifier": "docker.io/couchbaseecosystem/mcp-server-couchbase:0.5.2rc5",
+      "identifier": "docker.io/couchbaseecosystem/mcp-server-couchbase:0.5.2rc6",
       "transport": {
         "type": "stdio"
       },