Remove build of prod and switch back to NPM

Dockerfile

@@ -5,9 +5,11 @@ RUN chown -R node:node /opt
 EXPOSE 9000
 WORKDIR /opt
 USER node
-RUN yarn install
-RUN yarn run build
-CMD yarn run serve
+CMD npm run serve
+
+FROM mirador as builder
+RUN npm install
+RUN npm run build
 
 FROM caddy:latest as httpd
-COPY --from=mirador /opt/public /srv
+COPY --from=builder /opt/public /srv

dev.yml

 version: "3.3"
 services:
-  devserver:
+  httpd:
     build:
       context: .
       target: mirador
@@ -15,10 +15,6 @@ services:
     volumes:
       - ./:/opt
 
-  httpd:
-    ports:
-      - $PORT:80
-
   annotot:
     ports:
       - ${ANNOTOT_PORT}:3000