diff --git a/Dockerfile b/Dockerfile
index 70ecd01..1ee2319 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,10 @@
-FROM nginx:1.25.3
+FROM nginx:1.25.3-alpine3.18
 
-RUN apt-get update && apt-get install -y vim python3-certbot-nginx --fix-missing
+RUN apk add --no-cache certbot certbot-nginx
 
 ADD nginx.conf /etc/nginx/nginx.conf
 ADD ssl /etc/nginx/ssl
 
-RUN usermod -u 1000 www-data
-
 CMD ["nginx"]
 
 WORKDIR /var/www/html
diff --git a/nginx.conf b/nginx.conf
index 02b94dd..9d5eb84 100644
--- a/nginx.conf
+++ b/nginx.conf
@@ -1,5 +1,4 @@
 daemon off;
-user www-data;
 worker_processes 4;
 pid /run/nginx.pid;
 
@@ -32,7 +31,8 @@ http {
     # Symfony (Roadrunner)
 
     server {
-        listen 443 ssl http2;
+        listen 443 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/symfony/application/public;
         ssl_certificate /etc/nginx/ssl/server.crt;
@@ -54,7 +54,8 @@ http {
     # Symfony (PHP-FPM)
 
     server {
-        listen 9000 ssl http2;
+        listen 9000 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/symfony/application/public;
         ssl_certificate /etc/nginx/ssl/server.crt;
@@ -86,7 +87,8 @@ http {
 	# Laravel (PHP-FPM)
 
     server {
-        listen 9100 ssl http2;
+        listen 9100 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/laravel/application/public;
         ssl_certificate /etc/nginx/ssl/server.crt;
@@ -118,7 +120,8 @@ http {
 	# Drupal (PHP-FPM)
 
     server {
-        listen 9200 ssl http2;
+        listen 9200 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/drupal/application/web;
         ssl_certificate /etc/nginx/ssl/server.crt;
@@ -163,7 +166,8 @@ http {
     # NestJS (NodeJS)
 
     server {
-        listen 3000 ssl http2;
+        listen 3000 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/nestjs/application/public;
         ssl_certificate /etc/nginx/ssl/server.crt;
@@ -185,7 +189,8 @@ http {
     # Flask (Python)
 
     server {
-        listen 5000 ssl http2;
+        listen 5000 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/flask/application/static;
         ssl_certificate /etc/nginx/ssl/server.crt;
@@ -207,7 +212,8 @@ http {
     # Rocket (Rust)
 
     server {
-        listen 8000 ssl http2;
+        listen 8000 ssl;
+        http2 on;
         server_name endroid.nl;
         root /var/www/html/rocket/application/static;
         ssl_certificate /etc/nginx/ssl/server.crt;