The virtual host configuration
In Ubuntu, it is in the sites-enabled/000-default.conf
<VirtualHost *:89> LogLevel trace8 LogLevel rewrite:trace8 ServerName localhost:89 DocumentRoot /var/www/quizz RewriteEngine on # don't rewrite and stop the chain RewriteRule ^(/api|/processLogin|/logout-b)($|/) - [L] # If an existing asset or directory is requested go to it as it is and stop the chain RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -f [OR] RewriteCond %{DOCUMENT_ROOT}%{REQUEST_URI} -d RewriteRule ^ - [L] # If the requested resource doesn't exist, use index.html RewriteRule ^ /index.html ErrorLog ${APACHE_LOG_DIR}/site/error.log CustomLog ${APACHE_LOG_DIR}/site/access.log combined </VirtualHost> |
Some notes :
– /var/www/quizz is the location where the angular application source code is.
– the rules are executed sequentially and but if a rule with a L suffix matches (we can understand L as (L)ast rule if matches), the next rules are applied.
– we don’t want to rewrite url that requests the backend
– And finally as default rule if not one was applied, all remaining requests are mapped to index.html. Otherwise Apache would return a 404 response for requested angular route locations as these are not an physical resources.
The proxy configuration
In Ubuntu, it is in the mods-enabled/proxy.conf .
The current configuration uses AJP like seen in a previous post but that is not mandatory to set up a proxy between apache and tomcat, that is just a (at least theorical) optimization.
<IfModule mod_proxy.c> LogLevel proxy:trace5 ProxyRequests Off ProxyPassMatch .+\.html$ ! ProxyPassMatch .+\.js$ ! ProxyPass / ajp://localhost:13080/ ProxyPassReverse / ajp://localhost:13080/ </IfModule> |
The idea is simple : we don’t use the proxy to the backend for js and html files.
Similarly to rewrite rules, ProxyPass and PoxyPassMatch are processed sequentially.
And here, at the first match the proxy chain is finished for the current request (no need to add a special flag for)