forgot that line, now all clean and dandy

Dockerfile

@@ -3,6 +3,7 @@ ADD . /src
 WORKDIR /src
 
 RUN curl -qL https://www.npmjs.com/install.sh | sh
+RUN npm install webpack -g
 
 # Debian bullseye can't build gostatic due to its strict dependency
 # on Go 1.16, so we build it separately.