diff --git a/docker/Dockerfile b/docker/Dockerfile
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,7 +1,11 @@
 FROM python:3.7
 
 RUN . /etc/os-release && echo "deb http://apt.postgresql.org/pub/repos/apt ${VERSION_CODENAME}-pgdg main" > /etc/apt/sources.list.d/pgdg.list && \
-  wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
+  wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add - && \
+  echo "deb [signed-by=/usr/share/keyrings/nodejs-archive-keyring.gpg] https://deb.nodesource.com/node_12.x ${VERSION_CODENAME} main" > /etc/apt/sources.list.d/nodejs.list && \
+  curl -fsSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | gpg --dearmor > /usr/share/keyrings/nodejs-archive-keyring.gpg && \
+  echo "deb [signed-by=/usr/share/keyrings/yarnpkg-archive-keyring.gpg] https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarnpkg.list && \
+  curl -fsSL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor > /usr/share/keyrings/yarnpkg-archive-keyring.gpg
 
 RUN export DEBIAN_FRONTEND=noninteractive && \
   apt-get update && apt-get upgrade -y && \
@@ -15,7 +19,9 @@
     postgresql-client-12 \
     wait-for-it \
     ngrep \
-    rsync && \
+    rsync \
+    nodejs \
+    yarn && \
   apt-get install -y --no-install-recommends \
     r-base-core \
     r-cran-jsonlite && \
diff --git a/docker/services/swh-web/entrypoint.sh b/docker/services/swh-web/entrypoint.sh
--- a/docker/services/swh-web/entrypoint.sh
+++ b/docker/services/swh-web/entrypoint.sh
@@ -31,6 +31,15 @@
 
         wait_pgsql
 
+        # when overriding swh-web sources only
+        if [[ -d /src/swh-web ]] ; then
+            echo "Install and compile swh-web static assets"
+            pushd /src/swh-web
+            yarn install --frozen-lockfile
+            yarn build-dev
+            popd
+        fi
+
         echo "Migrating db using ${DJANGO_SETTINGS_MODULE}"
         django-admin migrate --settings=${DJANGO_SETTINGS_MODULE}