fix: prevent container stop from timing out

This switches the CMDs to array syntax to avoid invoking a shell, which seems to prevent the stop signal from working correctly in both containers. Also switches from pm2 to pm2-runtime, as is recommended for running pm2 inside Docker.

dns/Dockerfile

@@ -43,4 +43,4 @@ COPY package.json .
 COPY --from=dependencies ${app_dir}/node_modules ${app_dir}/node_modules
 COPY --from=build ${app_dir}/dist ${app_dir}/dist
 
-CMD pm2 start . --no-daemon
+CMD ["pm2-runtime", "start", "."]

nginx/Dockerfile

@@ -69,4 +69,4 @@ COPY nginx.default.conf /opt/nginx/conf/nginx.conf
 EXPOSE 80 443
 
 # * Start nginx
-CMD nginx -g 'daemon off;'
+CMD ["nginx", "-g", "daemon off;"]