Add nginx basic auth via docker-compose environment variables

Credentials set via AUTH_USER / AUTH_PASS in docker-compose.yml.
Entrypoint generates htpasswd at container start using openssl.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Dockerfile

@@ -6,4 +6,8 @@ RUN git submodule update --init --recursive && \
 
 FROM nginx:alpine
 COPY --from=builder /src/public /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
 EXPOSE 80
+ENTRYPOINT ["/docker-entrypoint.sh"]

docker-compose.yml

@@ -4,3 +4,6 @@ services:
     ports:
       - "8080:80"
     restart: unless-stopped
+    environment:
+      AUTH_USER: hochzeit
+      AUTH_PASS: changeme

docker-entrypoint.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+set -e
+echo "${AUTH_USER}:$(openssl passwd -apr1 "${AUTH_PASS}")" > /etc/nginx/.htpasswd
+exec nginx -g "daemon off;"

nginx.conf

@@ -0,0 +1,12 @@
+server {
+    listen 80;
+    root /usr/share/nginx/html;
+    index index.html;
+
+    auth_basic "Hochzeit";
+    auth_basic_user_file /etc/nginx/.htpasswd;
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+}