chore: Fixed pnpm build commands

dockerfile

@@ -1,4 +1,4 @@
-FROM git.luke-else.co.uk/luke-else/nodejs:latest as build
+FROM git.luke-else.co.uk/luke-else/nodejs:latest AS build
 
 WORKDIR /app
 
@@ -9,12 +9,12 @@ COPY . .
 RUN pnpm install
 RUN pnpm run build
 
-FROM git.luke-else.co.uk/luke-else/nodejs:latest as run
+FROM git.luke-else.co.uk/luke-else/nodejs:latest AS run
 
 WORKDIR /app
 COPY --from=build /app/package.json ./package.json
 COPY --from=build /app/build ./build
-RUN npm install --omit=dev
+RUN pnpm install --prod
 
 EXPOSE 3000
-ENTRYPOINT [ "pnpm", "run", "start" ]
+ENTRYPOINT [ "pnpm", "run", "start" ]