diff --git a/.env.sample b/.env.sample
index fad5615..4bc5e4d 100644
--- a/.env.sample
+++ b/.env.sample
@@ -10,6 +10,13 @@ COMPOSE_FILE="$COMPOSE_FILE:compose.mariadb.yml"
 
 SECRET_LFS_JWT_SECRET_VERSION=v1 # length=43
 
+# Control request body sizes. If you're having issues uploading big
+# files, set this option to 0 or a big number in bytes, and also check
+# READ_TIMEOUT in Traefik's recipe.
+#
+# https://doc.traefik.io/traefik/reference/routing-configuration/http/middlewares/buffering/#opt-memRequestBodyBytes
+#MAX_REQUEST_BODY_LIMIT=0
+
 # Anubis
 # COMPOSE_FILE="$COMPOSE_FILE:compose.anubis.yml"
 
diff --git a/compose.yml b/compose.yml
index 9481d50..6cd6be0 100644
--- a/compose.yml
+++ b/compose.yml
@@ -90,6 +90,7 @@ services:
         - "traefik.http.middlewares.${STACK_NAME}_cors.headers.accesscontrolalloworiginlist=https://${GITEA_CORS_ALLOW_DOMAIN}"
         - "traefik.http.middlewares.${STACK_NAME}_cors.headers.accesscontrolmaxage=100"
         - "traefik.http.middlewares.${STACK_NAME}_cors.headers.addvaryheader=true"
+        - "traefik.http.middlewares.${STACK_NAME}-buffering.buffering.maxRequestBodyBytes=${MAX_REQUEST_BODY_LIMIT:-0}"
         - coop-cloud.${STACK_NAME}.version=5.6.3+15.0.9-rootless