Docker: Use Apache remoteip (#3226)

#fix https://github.com/FreshRSS/FreshRSS/issues/3224
Log the client remote IP instead of the local proxy IP
https://httpd.apache.org/docs/2.4/mod/mod_remoteip.html

Docker/Dockerfile

@@ -35,7 +35,7 @@ LABEL \
 	org.opencontainers.image.version="$FRESHRSS_VERSION"
 
 RUN a2dismod -f alias autoindex negotiation status && \
-	a2enmod deflate expires headers mime setenvif && \
+	a2enmod deflate expires headers mime remoteip setenvif && \
 	a2disconf '*' && \
 	a2dissite '*' && \
 	a2ensite 'FreshRSS*'

Docker/Dockerfile-Alpine

@@ -34,7 +34,7 @@ RUN rm -f /etc/apache2/conf.d/languages.conf /etc/apache2/conf.d/info.conf \
 		/etc/apache2/conf.d/status.conf /etc/apache2/conf.d/userdir.conf && \
 	sed -r -i "/^\s*LoadModule .*mod_(alias|autoindex|negotiation|status).so$/s/^/#/" \
 		/etc/apache2/httpd.conf && \
-	sed -r -i "/^\s*#\s*LoadModule .*mod_(deflate|expires|headers|mime|setenvif).so$/s/^\s*#//" \
+	sed -r -i "/^\s*#\s*LoadModule .*mod_(deflate|expires|headers|mime|remoteip|setenvif).so$/s/^\s*#//" \
 		/etc/apache2/httpd.conf && \
 	sed -r -i "/^\s*(CustomLog|ErrorLog|Listen) /s/^/#/" \
 		/etc/apache2/httpd.conf && \

Docker/Dockerfile-QEMU-ARM

@@ -41,7 +41,7 @@ LABEL \
 	org.opencontainers.image.version="$FRESHRSS_VERSION"
 
 RUN a2dismod -f alias autoindex negotiation status && \
-	a2enmod deflate expires headers mime setenvif && \
+	a2enmod deflate expires headers mime remoteip setenvif && \
 	a2disconf '*' && \
 	a2dissite '*' && \
 	a2ensite 'FreshRSS*'

Docker/FreshRSS.Apache.conf

@@ -1,7 +1,10 @@
 ServerName freshrss.localhost
 Listen 0.0.0.0:80
 DocumentRoot /var/www/FreshRSS/p/
-CustomLog /dev/stdout combined
+RemoteIPHeader X-Forwarded-For
+RemoteIPTrustedProxy 10.0.0.1/8 172.16.0.1/12 192.168.0.1/16
+LogFormat "%a %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined_proxy
+CustomLog /dev/stdout combined_proxy
 ErrorLog /dev/stderr
 AllowEncodedSlashes On
 ServerTokens OS