Install npm

Author: fbacall

Dockerfile

@@ -8,7 +8,7 @@ WORKDIR /code
 
 # install dependencies
 RUN apt-get update \
-    && apt-get install build-essential curl file git gnupg2 imagemagick libpq-dev libyaml-dev nodejs -y \
+    && apt-get install build-essential curl file git gnupg2 imagemagick libpq-dev libyaml-dev nodejs npm -y \
     && apt-get clean