Docker from Debian base image (#3500)

* Docker from Debian base image
* Fix expose https://github.com/RSS-Bridge/rss-bridge/discussions/3234
* Re-fix better logs https://github.com/RSS-Bridge/rss-bridge/pull/3333
* Update to Debian 12 Bookworm instead of Debian 10 Buster
* Use Debian packaging instead of having to keep track of and manually install -dev libraries, and with LTS support
* Update to PHP 8.2 instead of PHP 8.0

* Fix php.ini location

* Minor order changes
To optimise caching

config/nginx.conf

@@ -2,8 +2,8 @@ server {
     listen 80 default_server;
     listen [::]:80 default_server;
     root /app;
-    access_log /dev/stdout;
-    error_log /dev/stderr;
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
     index index.php;
 
     location ~ /(\.|vendor|tests) {
@@ -13,6 +13,6 @@ server {
 
     location ~ \.php$ {
         include snippets/fastcgi-php.conf;
-        fastcgi_pass 127.0.0.1:9000;
+        fastcgi_pass unix:/var/run/php/php8.2-fpm.sock;
     }
 }

config/php-fpm.conf

@@ -0,0 +1,18 @@
+; Inspired by https://github.com/docker-library/php/blob/master/8.2/bookworm/fpm/Dockerfile
+
+[global]
+error_log = /proc/self/fd/2
+
+; https://github.com/docker-library/php/pull/725#issuecomment-443540114
+log_limit = 8192
+
+[www]
+; php-fpm closes STDOUT on startup, so sending logs to /proc/self/fd/1 does not work.
+; https://bugs.php.net/bug.php?id=73886
+access.log = /proc/self/fd/2
+
+clear_env = no
+
+; Ensure worker stdout and stderr are sent to the main error log.
+catch_workers_output = yes
+decorate_workers_output = no

config/php.ini

@@ -0,0 +1,4 @@
+; Inspired by https://github.com/docker-library/php/blob/master/8.2/bookworm/fpm/Dockerfile
+
+; https://github.com/docker-library/php/issues/878#issuecomment-938595965'
+fastcgi.logging = Off