Attempt to make build nicer

Dockerfile

@@ -5,7 +5,7 @@ WORKDIR /umami
 ADD src/fix.diff /umami/fix.diff
 RUN git apply fix.diff && \
     npm install && \
-    npm run build-tracker
-ADD src/docker-entrypoint.sh /
+    npm run build-tracker && \
+    DATABASE_URL=postgresql://localhost/db npm run build
 WORKDIR /umami
-ENTRYPOINT ["/docker-entrypoint.sh"]
+ENTRYPOINT ["npm", "start"]

src/docker-entrypoint.sh

-#!/bin/sh
-npm run build
-exec npm start