Increase default max_upload_size from 10M to 50M (#8502)

Signed-off-by: Mateusz Przybyłowicz <uamfhq@gmail.com>

changelog.d/8502.feature

+Increase default upload size limit from 10M to 50M. Contributed by @Akkowicz.

docker/conf/homeserver.yaml

@@ -90,7 +90,7 @@ federation_rc_concurrent: 3
 
 media_store_path: "/data/media"
 uploads_path: "/data/uploads"
-max_upload_size: "{{ SYNAPSE_MAX_UPLOAD_SIZE or "10M" }}"
+max_upload_size: "{{ SYNAPSE_MAX_UPLOAD_SIZE or "50M" }}"
 max_image_pixels: "32M"
 dynamic_thumbnails: false
 

docs/reverse_proxy.md

@@ -54,7 +54,7 @@ server {
         proxy_set_header X-Forwarded-For $remote_addr;
         # Nginx by default only allows file uploads up to 1M in size
         # Increase client_max_body_size to match max_upload_size defined in homeserver.yaml
-        client_max_body_size 10M;
+        client_max_body_size 50M;
     }
 }
 ```

docs/sample_config.yaml

@@ -893,7 +893,7 @@ media_store_path: "DATADIR/media_store"
 
 # The largest allowed upload size in bytes
 #
-#max_upload_size: 10M
+#max_upload_size: 50M
 
 # Maximum number of pixels that will be thumbnailed
 #

synapse/config/repository.py

@@ -100,7 +100,7 @@ class ContentRepositoryConfig(Config):
             "media_instance_running_background_jobs",
         )
 
-        self.max_upload_size = self.parse_size(config.get("max_upload_size", "10M"))
+        self.max_upload_size = self.parse_size(config.get("max_upload_size", "50M"))
         self.max_image_pixels = self.parse_size(config.get("max_image_pixels", "32M"))
         self.max_spider_size = self.parse_size(config.get("max_spider_size", "10M"))
 
@@ -242,7 +242,7 @@ class ContentRepositoryConfig(Config):
 
         # The largest allowed upload size in bytes
         #
-        #max_upload_size: 10M
+        #max_upload_size: 50M
 
         # Maximum number of pixels that will be thumbnailed
         #