Fix: force HTTPS=on in Apache for Traefik proxy

Dockerfile

@@ -5,17 +5,9 @@
 
 FROM espocrm/espocrm:latest
 
-# Fix redirect loop behind Traefik reverse proxy
-RUN a2enmod remoteip headers && \
-    echo '<IfModule mod_remoteip.c>\n\
-    RemoteIPHeader X-Forwarded-For\n\
-</IfModule>\n\
-<IfModule mod_headers.c>\n\
-    RequestHeader set X-Forwarded-Proto "https" env=HTTPS\n\
-</IfModule>\n\
-SetEnvIf X-Forwarded-Proto "https" HTTPS=on' \
-    > /etc/apache2/conf-available/reverse-proxy.conf && \
-    a2enconf reverse-proxy
+# Fix redirect loop: tell Apache it's behind HTTPS proxy (Traefik)
+RUN echo 'SetEnv HTTPS on' > /etc/apache2/conf-available/force-https.conf && \
+    a2enconf force-https
 
 # Copy custom extensions and modifications
 COPY custom/ /var/www/html/custom/