diff --git a/Dockerfile b/Dockerfile
index d24e8828..b60951bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,7 +7,7 @@ RUN apt-get update -y \
  && apt-get install -y git bsdmainutils vim-nox mc \
  && rm -rf /var/lib/apt/lists/*
 
-# RUN npm i -g mrs-developer
+RUN npm i -g mrs-developer
 
 WORKDIR /opt/frontend/
 
@@ -15,7 +15,7 @@ COPY docker-image.txt /
 COPY . .
 # RUN chmod +x optimize_node_modules.sh
 
-# RUN mkdir -p /opt/frontend/src/develop
+RUN mkdir -p /opt/frontend/src/develop
 
 RUN chown -R node /opt/frontend
 
@@ -24,30 +24,30 @@ USER node
 RUN echo "prefix = \"/home/node\"\n" > /home/node/.npmrc
 RUN rm -rf node_modules .git package-lock.json
 
-# RUN npm install mr-developer
+RUN npm install mr-developer
 
 #RUN node_modules/.bin/mrdeveloper --config=jsconfig.json --no-config --output=addons
-# RUN missdev --config=jsconfig.json --output=develop
+RUN missdev --config=jsconfig.json --output=develop
 
-# RUN make activate-all
+RUN make activate-all
 
 # RUN NPM_CONFIG_REGISTRY=$NPM_CONFIG_REGISTRY npm ci
-RUN NPM_CONFIG_REGISTRY=$NPM_CONFIG_REGISTRY npm install
+# RUN NPM_CONFIG_REGISTRY=$NPM_CONFIG_REGISTRY npm install
 
 # RUN ./optimize_node_modules.sh
 # RUN make clean-addons
 # RUN rm -f package-lock.json
 
-RUN RAZZLE_API_PATH=VOLTO_API_PATH RAZZLE_INTERNAL_API_PATH=VOLTO_INTERNAL_API_PATH yarn build
+# RUN RAZZLE_API_PATH=VOLTO_API_PATH RAZZLE_INTERNAL_API_PATH=VOLTO_INTERNAL_API_PATH yarn build
 
 # Second stage build
-FROM node:12-stretch-slim
+# FROM node:12-stretch-slim
 
-COPY . /opt/frontend/
-RUN chown -R node /opt/frontend/
+# COPY . /opt/frontend/
+# RUN chown -R node /opt/frontend/
 
-WORKDIR /opt/frontend/
-USER node
+# WORKDIR /opt/frontend/
+# USER node
 
 RUN RAZZLE_API_PATH=VOLTO_API_PATH RAZZLE_INTERNAL_API_PATH=VOLTO_INTERNAL_API_PATH yarn \
  && RAZZLE_API_PATH=VOLTO_API_PATH RAZZLE_INTERNAL_API_PATH=VOLTO_INTERNAL_API_PATH yarn build \
diff --git a/package.json b/package.json
index 9535daaf..a3be7258 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "test": "razzle test --env=jsdom --passWithNoTests",
     "start:prod": "NODE_ENV=production node build/server.js",
     "i18n": "NODE_ENV=production node node_modules/@plone/volto/src/i18n.js",
+    "develop:npx": "npx -p mrs-developer missdev --config=jsconfig.json --output=develop",
     "develop": "missdev --config=jsconfig.json --output=develop"
   },
   "jest": {
diff --git a/scripts/pkg_helper.py b/scripts/pkg_helper.py
index 02016a1b..272c0459 100755
--- a/scripts/pkg_helper.py
+++ b/scripts/pkg_helper.py
@@ -161,7 +161,7 @@ def activate_all():
 
         if os.path.exists(pkgdir) and os.path.isdir(pkgdir):
             # subprocess.call(['rm', 'package-lock.json'], cwd=pkgdir)
-            subprocess.call(['npm', 'install'], cwd=pkgdir)
+            subprocess.call(['yarn'], cwd=pkgdir)
             # subprocess.call(['rm', 'package-lock.json'], cwd=pkgdir)