diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 61e5e8ff..6359ac3b 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -2,9 +2,10 @@ name: Release docker image
 
 on:
   push:
-    branches: [ "*" ]
+    branches: [ "*", "*/*" ]
     paths:
       - server/**
+      - .github/workflows/docker.yml
     tags:
       - '**'
 
diff --git a/server/Dockerfile b/server/Dockerfile
index e44c7638..eef80da3 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -6,7 +6,7 @@ COPY . ./server
 
 RUN python -m venv venv
 
-RUN venv/bin/python -m pip install ./server
+RUN venv/bin/python -m pip install "./server[metrics]"
 
 FROM python:3.9-alpine