Slim down web service by using nginx stable-alpine instead of stable

config/nginx.conf.development.template

@@ -19,7 +19,7 @@
 # Default: nobody nobody
 # https://nginx.org/en/docs/ngx_core_module.html#user
 # https://en.wikipedia.org/wiki/Principle_of_least_privilege
-user www-data;
+user nginx;
 
 # Let nginx pick how many worker processes to run (based on CPU cores)
 worker_processes auto;

config/nginx.conf.template

@@ -19,7 +19,7 @@
 # Default: nobody nobody
 # https://nginx.org/en/docs/ngx_core_module.html#user
 # https://en.wikipedia.org/wiki/Principle_of_least_privilege
-user www-data;
+user nginx;
 
 # Let nginx pick how many worker processes to run (based on CPU cores)
 worker_processes auto;

src/web/Dockerfile

@@ -53,6 +53,6 @@ RUN npm install --no-package-lock
 
 RUN npm run build
 
-FROM nginx:stable as build
+FROM nginx:stable-alpine as build
 
 COPY --from=dependencies /frontend/out /var/www/data