diff --git a/dockerfiles/docker-build/scripts/ensureNodeDockerfile b/dockerfiles/docker-build/scripts/ensureNodeDockerfile
index 80eadd629c80bd85c8c104e1514027cb39b3a3ea..b1331a389426528dda6b3591278ac96846a4f658 100644
--- a/dockerfiles/docker-build/scripts/ensureNodeDockerfile
+++ b/dockerfiles/docker-build/scripts/ensureNodeDockerfile
@@ -22,6 +22,14 @@ else
     NODE_VERSION="$(cat .nvmrc | sed '/^$/d' | sed 's/[a-z-]//g')"
 fi
 
+if [ -f "$APP_DIR/yarn.lock"]; then
+    # is not a monorepo, copy
+    YARN_INSTALL="COPY --chown=node:node $APP_DIR/package.json $APP_DIR/yarn.lock ./"
+else
+    # maybe a monorepo
+    YARN_INSTALL="COPY --chown=node:node $APP_DIR/package.json yarn.lock ./"
+fi
+
 if [ ! -f Dockerfile ]; then
     echo "Creating Dockerfile"
 
@@ -33,7 +41,7 @@ $DOCKERFILE_ADDITIONS
 
 RUN apk add --no-cache git
 RUN apk add --no-cache curl
-COPY --chown=node:node $APP_DIR/package.json $APP_DIR/yarn.lock ./
+$YARN_INSTALL
 RUN chown -R node:node .
 USER node