diff --git a/README.md b/README.md
index 2b91d50..5a4fe84 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,6 @@ If you don't have YunoHost, please consult [the guide](https://yunohost.org/#/in
 ## Disclaimers / important information
 
 * Lemmy require full domain path to be installed. Eg. lemmy.domain.tld
-* The admin username and password will be sent to the admin of the YunoHost through mail.
 * pict-rs image hosting service has been removed, it caused too much issue during compilation
 
 ## Documentation and resources
diff --git a/README_fr.md b/README_fr.md
index 9182114..0d70934 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -30,7 +30,6 @@ Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour
 ## Avertissements / informations importantes
 
 * Lemmy require full domain path to be installed. Eg. lemmy.domain.tld
-* The admin username and password will be sent to the admin of the YunoHost through mail.
 * pict-rs image hosting service has been removed, it caused too much issue during compilation
 
 ## Documentations et ressources
diff --git a/check_process b/check_process
index 38721aa..3fe9751 100644
--- a/check_process
+++ b/check_process
@@ -21,3 +21,7 @@
 ;;; Options
 Email=
 Notification=none
+;;; Upgrade options
+	; commit=206df4db0b99c52f07ea1a2d5daf799d4b8357fd
+		name=0.15.2~ynh3
+		manifest_arg=domain=DOMAIN&admin=USER&sitename=lemmy_website&
diff --git a/conf/imagemagick.src b/conf/imagemagick.src
deleted file mode 100644
index 16c0fed..0000000
--- a/conf/imagemagick.src
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=https://github.com/ImageMagick/ImageMagick/archive/refs/tags/7.1.0-22.tar.gz
-SOURCE_SUM=9cf8407c59ddb596f3ef39a1d50a113bb7d0a723a4693efc066ff8c6b789c5f6
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-SOURCE_EXTRACT=true
diff --git a/conf/lemmy-ui.service b/conf/lemmy-ui.service
index 5e97a05..45da3dc 100644
--- a/conf/lemmy-ui.service
+++ b/conf/lemmy-ui.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=__APP__ Lemmy UI Daemon
+Description=__APP__ UI Daemon
 After=network.target
 
 [Service]
diff --git a/conf/lemmy.hjson b/conf/lemmy.hjson
index c2bf8a6..6e2ddcf 100644
--- a/conf/lemmy.hjson
+++ b/conf/lemmy.hjson
@@ -79,29 +79,6 @@
     # Whether or not smtp connections should use tls. Can be none, tls, or starttls
     tls_type: "none"
   }
-  # Parameters for automatic configuration of new instance (only used at first start)
-  setup: {
-    # Username for the admin user
-    admin_username: "__ADMIN__"
-    # Password for the admin user. It must be at least 10 characters.
-    admin_password: "__PASSWORD__"
-    # Name of the site (can be changed later)
-    site_name: "__SITENAME__"
-    # Email for the admin user (optional, can be omitted and set later through the website)
-    admin_email: "__ADMIN_EMAIL__"
-    sidebar: "string"
-    description: "string"
-    icon: "string"
-    banner: "string"
-    enable_downvotes: true
-    open_registration: true
-    enable_nsfw: true
-    community_creation_admin_only: true
-    require_email_verification: true
-    require_application: true
-    application_question: "string"
-    private_instance: false
-  }
   # the domain name of your instance (mandatory)
   hostname: "__DOMAIN__"
   # Address where lemmy should listen for incoming requests
@@ -111,7 +88,7 @@
   # Whether the site is available over TLS. Needs to be true for federation to work.
   tls_enabled: true
   # Address where pictrs is available (for image hosting)
-  ###pictrs_url: "http://127.0.0.1:__PORT_PICTRS__"
+  ###pictrs_url: "http://127.0.0.1:"
   slur_filter: "(\bThis\b)|(\bis\b)|(\bsample\b)"
   # Maximum length of local community and user names
   actor_name_max_length: 20
diff --git a/conf/lemmy.service b/conf/lemmy.service
index 02e1fd0..3cfc327 100644
--- a/conf/lemmy.service
+++ b/conf/lemmy.service
@@ -1,5 +1,5 @@
 [Unit]
-Description=__APP__ Lemmy Daemon
+Description=__APP__ Daemon
 After=network.target
 
 [Service]
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
index f216c43..ff56e98 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/DISCLAIMER.md
@@ -1,3 +1,2 @@
 * Lemmy require full domain path to be installed. Eg. lemmy.domain.tld
-* The admin username and password will be sent to the admin of the YunoHost through mail.
 * pict-rs image hosting service has been removed, it caused too much issue during compilation
diff --git a/manifest.json b/manifest.json
index 7e99529..7a9cffe 100644
--- a/manifest.json
+++ b/manifest.json
@@ -32,19 +32,6 @@
             {
                 "name": "domain",
                 "type": "domain"
-            },
-            {
-                "name": "admin",
-                "type": "user"
-            },
-            {
-                "name": "sitename",
-                "type": "string",
-                "ask": {
-                    "en": "Enter site name",
-                    "fr": "Entrez le nom du site"
-                },
-                "example": "lemmy website"
             }
         ]
     }
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 1a51dbf..07ff72a 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,11 +7,8 @@
 # dependencies used by the app
 lemmy_dependencies="postgresql postgresql-contrib"
 lemmyui_dependencies="espeak"
-imagemagick_build_dependencies="libltdl-dev libjpeg-dev libpng-dev libwebp-dev liblzma-dev libxml2-dev"
-imagemagick_dependencies=""
 
-pkg_dependencies="$lemmy_dependencies $lemmyui_dependencies $imagemagick_dependencies"
-pkg_build_dependencies="$imagemagick_build_dependencies"
+pkg_dependencies="$lemmy_dependencies $lemmyui_dependencies"
 
 NODEJS_VERSION=12
 
@@ -26,56 +23,3 @@ NODEJS_VERSION=12
 #=================================================
 # FUTURE OFFICIAL HELPERS
 #=================================================
-
-# Send an email to inform the administrator
-#
-# usage: ynh_send_readme_to_admin app_message [recipients]
-# | arg: app_message - The message to send to the administrator.
-# | arg: recipients - The recipients of this email. Use spaces to separate multiples recipients. - default: root
-#	example: "root admin@domain"
-#	If you give the name of a YunoHost user, ynh_send_readme_to_admin will find its email adress for you
-#	example: "root admin@domain user1 user2"
-ynh_send_readme_to_admin() {
-	local app_message="${1:-...No specific information...}"
-	local recipients="${2:-root}"
-
-	# Retrieve the email of users
-	find_mails () {
-		local list_mails="$1"
-		local mail
-		local recipients=" "
-		# Read each mail in argument
-		for mail in $list_mails
-		do
-			# Keep root or a real email address as it is
-			if [ "$mail" = "root" ] || echo "$mail" | grep --quiet "@"
-			then
-				recipients="$recipients $mail"
-			else
-				# But replace an user name without a domain after by its email
-				if mail=$(ynh_user_get_info "$mail" "mail" 2> /dev/null)
-				then
-					recipients="$recipients $mail"
-				fi
-			fi
-		done
-		echo "$recipients"
-	}
-	recipients=$(find_mails "$recipients")
-
-	local mail_subject="☁️🆈🅽🅷☁️: \`$app\` has important message for you"
-
-	local mail_message="This is an automated message from your beloved YunoHost server. Specific information for $app.
-$app_message"
-
-	# Define binary to use for mail command
-	if [ -e /usr/bin/bsd-mailx ]
-	then
-		local mail_bin=/usr/bin/bsd-mailx
-	else
-		local mail_bin=/usr/bin/mail.mailutils
-	fi
-
-	# Send the email to the recipients
-	echo "$mail_message" | $mail_bin -a "Content-Type: text/plain; charset=UTF-8" -s "$mail_subject" "$recipients"
-}
\ No newline at end of file
diff --git a/scripts/install b/scripts/install
index a954b84..b50cbcc 100755
--- a/scripts/install
+++ b/scripts/install
@@ -25,14 +25,9 @@ ynh_abort_if_errors
 
 domain=$YNH_APP_ARG_DOMAIN
 path_url="/"
-admin=$YNH_APP_ARG_ADMIN
-sitename=$YNH_APP_ARG_SITENAME
 
 app=$YNH_APP_INSTANCE_NAME
 
-password=$(ynh_string_random --length=12)
-admin_email=$(ynh_user_get_info --username=$admin --key="mail")
-
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
@@ -51,9 +46,6 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=admin --value=$admin
-ynh_app_setting_set --app=$app --key=password --value=$password
-ynh_app_setting_set --app=$app --key=sitename --value=$sitename
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -67,15 +59,13 @@ port_lemmy=$(ynh_find_port --port=8536)
 ynh_app_setting_set --app=$app --key=port_lemmy --value=$port_lemmy
 port_ui=$(ynh_find_port --port=1235)
 ynh_app_setting_set --app=$app --key=port_ui --value=$port_ui
-port_pictrs=$(ynh_find_port --port=8537)
-ynh_app_setting_set --app=$app --key=port_pictrs --value=$port_pictrs
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=1
 
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $pkg_build_dependencies
+ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
 ynh_use_nodejs
 ln -fs /usr/lib/x86_64-linux-musl/libc.so /lib/libc.musl-x86_64.so.1
@@ -112,7 +102,6 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 ynh_setup_source --dest_dir="$final_path/build-lemmy/" --source_id="docker-image-extract"
 ynh_setup_source --dest_dir="$final_path/build-lemmy-ui/" --source_id="docker-image-extract"
 ynh_setup_source --dest_dir="$final_path/lemmy-ui/lemmy-translations/" --source_id="lemmy-translations"
-ynh_setup_source --dest_dir="$final_path/build-imagemagick/" --source_id="imagemagick"
 
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
@@ -163,19 +152,6 @@ mkdir -p "$final_path/lemmy/"
 mv -f "$final_path/build-lemmy/output/app/lemmy" "$final_path/lemmy/lemmy"
 ynh_secure_remove --file="$final_path/build-lemmy"
 
-# Install ImageMagick
-pushd "$final_path/build-imagemagick/"
-	ynh_exec_warn_less ./configure --with-modules
-	ynh_exec_warn_less make
-	ynh_exec_warn_less make install
-	ynh_exec_warn_less ldconfig /usr/local/lib
-popd
-ynh_secure_remove --file="$final_path/build-imagemagick"
-
-# Remove build stuff
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
-ynh_package_autoremove
-
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:$app "$final_path"
@@ -229,8 +205,8 @@ yunohost service add $app-ui --log="/var/log/$app/$app-ui.log"
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 # Start a systemd service
-ynh_systemd_action --service_name=$app --action="start" --line_match="Started" --log_path=systemd
-ynh_systemd_action --service_name=$app-ui --action="start" --line_match="Started" --log_path=systemd
+ynh_systemd_action --service_name=$app --action="start" --line_match="Starting http server at" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app-ui --action="start" --line_match="http://0.0.0.0" --log_path="/var/log/$app/$app-ui.log"
 
 #=================================================
 # SETUP SSOWAT
@@ -247,23 +223,6 @@ ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
-#=================================================
-# SEND A README FOR THE ADMIN
-#=================================================
-
-message="Lemmy was successfully installed :)
-
-Please open https://$domain$path_url
-
-Your credentials for the admin panel are:
-- admin username: $admin
-- admin password: $password
-
-If you facing an issue or want to improve Lemmy, please open a new issue in this project: https://github.com/YunoHost-Apps/lemmy_ynh/issues"
-
-ynh_send_readme_to_admin "$message"
-
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 45241ac..e9f6065 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -65,21 +65,6 @@ ynh_script_progression --message="Removing the PostgreSQL database..." --weight=
 # Remove a database if it exists, along with the associated user
 ynh_psql_remove_db --db_user=$db_user --db_name=$db_name
 
-#=================================================
-# REMOVE IMAGEMAGICK
-#=================================================
-ynh_script_progression --message="Removing ImageMagick..." --weight=1
-
-ynh_setup_source --dest_dir="$final_path/build-imagemagick/" --source_id="imagemagick"
-
-# Install ImageMagick
-pushd "$final_path/build-imagemagick/"
-	ynh_exec_warn_less ./configure
-	ynh_exec_warn_less make uninstall
-popd
-
-ynh_secure_remove --file="$final_path/build-imagemagick"
-
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index c66ec2f..2e62c14 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -107,27 +107,6 @@ ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 ynh_psql_execute_file_as_root --file="./db.sql" --database="$db_name"
 ynh_psql_execute_as_root --sql="CREATE EXTENSION IF NOT EXISTS pgcrypto;" --database="$db_name"
 
-#=================================================
-# BUILDING IMAGEMAGICK
-#=================================================
-ynh_script_progression --message="Building ImageMagick..." --weight=1
-
-ynh_setup_source --dest_dir="$final_path/build-imagemagick/" --source_id="imagemagick"
-
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $imagemagick_build_dependencies
-
-# Install ImageMagick
-pushd "$final_path/build-imagemagick/"
-	ynh_exec_warn_less ./configure --with-modules
-	ynh_exec_warn_less make
-	ynh_exec_warn_less make install
-	ynh_exec_warn_less ldconfig /usr/local/lib
-popd
-ynh_secure_remove --file="$final_path/build-imagemagick"
-
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
-ynh_package_autoremove
-
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
@@ -163,8 +142,8 @@ yunohost service add $app-ui --log="/var/log/$app/$app-ui.log"
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --line_match="Started" --log_path=systemd
-ynh_systemd_action --service_name=$app-ui --action="start" --line_match="Started" --log_path=systemd
+ynh_systemd_action --service_name=$app --action="start" --line_match="Starting http server at" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app-ui --action="start" --line_match="http://0.0.0.0" --log_path="/var/log/$app/$app-ui.log"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 343bd36..20b91df 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -24,12 +24,8 @@ db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
 datadir=$(ynh_app_setting_get --app=$app --key=datadir)
-password=$(ynh_app_setting_get --app=$app --key=password)
-sitename=$(ynh_app_setting_get --app=$app --key=sitename)
 port_lemmy=$(ynh_app_setting_get --app=$app --key=port_lemmy)
 port_ui=$(ynh_app_setting_get --app=$app --key=port_ui)
-port_pictrs=$(ynh_app_setting_get --app=$app --key=port_pictrs)
-admin_email=$(ynh_user_get_info --username=$admin --key="mail")
 
 #=================================================
 # CHECK VERSION
@@ -92,6 +88,7 @@ then
 fi
 ynh_remove_systemd_config --service=$app-pict-rs
 ynh_secure_remove --file="$final_path/pict-rs"
+ynh_app_setting_delete --app=$app --key=port_pictrs
 
 #=================================================
 # CREATE DEDICATED USER
@@ -113,7 +110,6 @@ then
 	ynh_setup_source --dest_dir="$final_path/build-lemmy/" --source_id="docker-image-extract"
 	ynh_setup_source --dest_dir="$final_path/build-lemmy-ui/" --source_id="docker-image-extract"
 	ynh_setup_source --dest_dir="$final_path/lemmy-ui/lemmy-translations/" --source_id="lemmy-translations"
-	ynh_setup_source --dest_dir="$final_path/build-imagemagick/" --source_id="imagemagick"
 fi
 
 chmod 750 "$final_path"
@@ -147,8 +143,6 @@ ynh_script_progression --message="Making upgrade..." --weight=1
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies $pkg_build_dependencies
-
 	# Install lemmy-ui
 	pushd $final_path/build-lemmy-ui
 		./docker-image-extract dessalines/lemmy-ui:$(ynh_app_upstream_version)
@@ -164,19 +158,6 @@ then
 	mkdir -p "$final_path/lemmy/"
 	mv -f "$final_path/build-lemmy/output/app/lemmy" "$final_path/lemmy/lemmy"
 	ynh_secure_remove --file="$final_path/build-lemmy"
-
-	# Install ImageMagick
-	pushd "$final_path/build-imagemagick/"
-		ynh_exec_warn_less ./configure --with-modules
-		ynh_exec_warn_less make
-		ynh_exec_warn_less make install
-		ynh_exec_warn_less ldconfig /usr/local/lib
-	popd
-	ynh_secure_remove --file="$final_path/build-imagemagick"
-
-	# Remove build stuff
-	ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
-	ynh_package_autoremove
 fi
 
 chmod 750 "$final_path"
@@ -238,8 +219,8 @@ yunohost service add $app-ui --log="/var/log/$app/$app-ui.log"
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --line_match="Started" --log_path=systemd
-ynh_systemd_action --service_name=$app-ui --action="start" --line_match="Started" --log_path=systemd
+ynh_systemd_action --service_name=$app --action="start" --line_match="Starting http server at" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app-ui --action="start" --line_match="http://0.0.0.0" --log_path="/var/log/$app/$app-ui.log"
 
 #=================================================
 # RELOAD NGINX