diff --git a/README.md b/README.md
index 3944d1b..0127b53 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ A modern, convivial and free music server on YunoHost
 
 Installation requires a dedicated domain for now. I hope subpath installation will be possible in the future.
 
-**Shipped version:** 0.19.0 (this is an Alpha version!)
+**Shipped version:** 0.19.1 (this is an Alpha version!)
 
 ## Screenshots
 
diff --git a/conf/app-frontend.src b/conf/app-frontend.src
index 0e4e936..4166d39 100644
--- a/conf/app-frontend.src
+++ b/conf/app-frontend.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://dev.funkwhale.audio/funkwhale/funkwhale/-/jobs/artifacts/0.19.0/download?job=build_front
-SOURCE_SUM=2a664eb81f46c1f7c9d52d472a2a9958356eb409fed36bb2acba7bde87c7d7c6
+SOURCE_URL=https://dev.funkwhale.audio/funkwhale/funkwhale/-/jobs/artifacts/0.19.1/download?job=build_front
+SOURCE_SUM=ae1e81cb78d4a7e6862b9a2980eb47be500313c4db276649391ff0c2f1033c26
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=zip
 SOURCE_IN_SUBDIR=false
diff --git a/conf/app.src b/conf/app.src
index a58615a..c94e0e5 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://dev.funkwhale.audio/funkwhale/funkwhale/-/archive/0.19.0/funkwhale-0.19.0.tar.gz
-SOURCE_SUM=f74be13077819de07dfb377b6a20410543c3e43defa9a74b99588dd9c9b47291
+SOURCE_URL=https://dev.funkwhale.audio/funkwhale/funkwhale/-/archive/0.19.1/funkwhale-0.19.1.tar.gz
+SOURCE_SUM=a5f2b8b51f4259b0964f7adeceeaadab6b39de3417b019b4ec505d5154adff82
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.bz2
 SOURCE_IN_SUBDIR=true
diff --git a/conf/env.prod b/conf/env.prod
index 457c026..4a62772 100644
--- a/conf/env.prod
+++ b/conf/env.prod
@@ -4,10 +4,8 @@
 # If you're tweaking this file from the template, ensure you edit at least the
 # following variables:
 # - DJANGO_SECRET_KEY
-# - DJANGO_ALLOWED_HOSTS
 # - FUNKWHALE_HOSTNAME
 # - EMAIL_CONFIG and DEFAULT_FROM_EMAIL if you plan to send emails)
-
 # On non-docker setup **only**, you'll also have to tweak/uncomment those variables:
 # - DATABASE_URL
 # - CACHE_URL
@@ -18,7 +16,6 @@
 # - MUSIC_DIRECTORY_PATH and MUSIC_DIRECTORY_SERVE_PATH if you plan to use
 #   in-place import
 #
-
 # Docker only
 # -----------
 
@@ -37,7 +34,9 @@
 # example: FUNKWHALE_API_PORT=5678
 FUNKWHALE_API_IP=127.0.0.1
 FUNKWHALE_API_PORT=__PORT__
-
+# The number of web workers to start in parallel. Higher means you can handle
+# more concurrent requests, but also leads to higher CPU/Memory usage
+FUNKWHALE_WEB_WORKERS=1
 # Replace this by the definitive, public domain you will use for
 # your instance
 FUNKWHALE_HOSTNAME=__DOMAIN__
@@ -53,7 +52,7 @@ FUNKWHALE_PROTOCOL=https
 # EMAIL_CONFIG=smtp+ssl://user@:password@youremail.host:465
 # EMAIL_CONFIG=smtp+tls://user@:password@youremail.host:587
 
-# The email address to use to send systme emails. By default, we will
+# The email address to use to send system emails.
 # DEFAULT_FROM_EMAIL=noreply@yourdomain
 
 # Depending on the reverse proxy used in front of your funkwhale instance,
@@ -73,9 +72,20 @@ DATABASE_URL=postgresql://__DBUSER__:__DBPWD__@:5432/__DBNAME__
 # Cache configuration
 # Examples:
 #  CACHE_URL=redis://<host>:<port>/<database>
-#  CACHE_URL=redis://localhost:6379/0
+#  CACHE_URL=redis://localhost:6379/0c
+#  With a password:
+#  CACHE_URL=redis://:password@localhost:6379/0
+#  (the extra semicolon is important)
 # Use the next one if you followed Debian installation guide
+#
 CACHE_URL=redis://127.0.0.1:6379/__REDIS_DB__
+#
+# If you want to use Redis over unix sockets, you'll actually need two variables:
+# For the cache part:
+#  CACHE_URL=redis:///run/redis/redis.sock?db=0
+# For the Celery/asynchronous tasks part:
+#  CELERY_BROKER_URL=redis+socket:///run/redis/redis.sock?virtual_host=0
+
 
 # Where media files (such as album covers or audio tracks) should be stored
 # on your system?
@@ -109,8 +119,8 @@ RAVEN_DSN=https://44332e9fdd3d42879c7d35bf8562c6a4:0062dc16a22b41679cd5765e5342f
 # You can safely leave those settings uncommented if you don't plan to use
 # in place imports.
 # Typical docker setup:
-#   MUSIC_DIRECTORY_PATH=/srv/funkwhale/data/music
-#   MUSIC_DIRECTORY_SERVE_PATH=/music  # docker-only
+#   MUSIC_DIRECTORY_PATH=/music  # docker-only
+#   MUSIC_DIRECTORY_SERVE_PATH=/srv/funkwhale/data/music
 # Typical non-docker setup:
 #   MUSIC_DIRECTORY_PATH=/srv/funkwhale/data/music
 #   # MUSIC_DIRECTORY_SERVE_PATH= # stays commented, not needed
diff --git a/manifest.json b/manifest.json
index df7f8fa..36d161c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -5,7 +5,7 @@
 	"description": {
 		"en": "A modern, convivial and free music server"
 	},
-	"version": "0.19.0~ynh1",
+	"version": "0.19.1~ynh1",
 	"url": "https://funkwhale.audio",
 	"license": "AGPL-3.0-or-later",
 	"maintainer": {