diff --git a/check_process b/check_process
index e159e60..87aa8cc 100644
--- a/check_process
+++ b/check_process
@@ -23,4 +23,3 @@ Notification=none
 	; commit=d0b65b69558b6a1a98761eb7be0b34b4ccb7d6b3
 		name=Testing (#36) 
 		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666&
-
diff --git a/scripts/_common.sh b/scripts/_common.sh
index a921bad..f50e391 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,10 +4,10 @@
 # COMMON VARIABLES
 #=================================================
 
-version_commit=0db23f925225f50ed574c69abbb0bd5de58bf709
+version_commit=7b2aa5f98e140ae989eb4f61cd8a94e3127de025
 
 # dependencies used by the app
-pkg_dependencies="apt-transport-https libssl-dev libxml2-dev libyaml-dev libgmp-dev libreadline-dev postgresql librsvg2-bin libsqlite3-dev zlib1g-dev libevent-dev pkg-config libpcre3-dev"
+pkg_dependencies="apt-transport-https libssl-dev libxml2-dev libyaml-dev libgmp-dev libreadline-dev postgresql librsvg2-bin imagemagick libsqlite3-dev zlib1g-dev libevent-dev pkg-config libpcre3-dev"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/change_url b/scripts/change_url
index cf19a29..b8d5cfd 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -29,10 +29,6 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
-# Add settings here as needed by your application
-#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)
 
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
diff --git a/scripts/install b/scripts/install
index dba2426..f03e6f1 100644
--- a/scripts/install
+++ b/scripts/install
@@ -68,9 +68,7 @@ ynh_script_progression --message="Installing dependencies..." --weight=15
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
-tempdir="$(mktemp -d)"
-ynh_setup_source --dest_dir=$tempdir --source_id=crystal
-ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=stable
 
 #=================================================
 # CREATE DEDICATED USER
@@ -129,10 +127,10 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Building Invidious.. (this will take some time and resources!)" --weight=60
 
-pushd "$final_path" || ynh_die
-	shards update && shards install
-	crystal build $final_path/src/invidious.cr --release
-popd || ynh_die
+pushd "$final_path"
+	ynh_exec_warn_less shards update && shards install
+	ynh_exec_warn_less crystal build $final_path/src/invidious.cr --release
+popd
 
 #=================================================
 # MODIFY A CONFIG FILE
@@ -155,7 +153,8 @@ ynh_add_systemd_config
 ynh_script_progression --message="Setuping a cron..." --weight=1
 
 ynh_add_config --template="../conf/cron_invidious" --destination="/etc/cron.d/$app"
-chmod 644 /etc/cron.d/$app
+chown root: "/etc/cron.d/$app"
+chmod 644 "/etc/cron.d/$app"
 
 #=================================================
 # SETUP LOGROTATE
diff --git a/scripts/remove b/scripts/remove
index 8566bf5..2382b33 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -88,6 +88,7 @@ ynh_remove_logrotate
 #=================================================
 # REMOVE VARIOUS FILES
 #=================================================
+ynh_script_progression --message="Removing the cron file..." --weight=1
 
 # Remove a cron file
 ynh_secure_remove --file="/etc/cron.d/$app"
diff --git a/scripts/restore b/scripts/restore
index c9e13b6..4b41556 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -79,9 +79,7 @@ ynh_script_progression --message="Reinstalling dependencies..." --weight=7
 # Define and install dependencies
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
-tempdir="$(mktemp -d)"
-ynh_setup_source --dest_dir=$tempdir --source_id=crystal
-ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=stable
 
 #=================================================
 # RESTORE THE POSTGRESQL DATABASE
@@ -100,6 +98,22 @@ ynh_script_progression --message="Restoring the systemd configuration..." --weig
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
+#=================================================
+# RESTORE VARIOUS FILES
+#=================================================
+ynh_script_progression --message="Restoring various files..." --weight=1
+
+ynh_restore_file --origin_path="/etc/cron.d/$app"
+chown root: "/etc/cron.d/$app"
+chmod 644 "/etc/cron.d/$app"
+
+#=================================================
+# RESTORE THE LOGROTATE CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1
+
+ynh_restore_file --origin_path="/etc/logrotate.d/$app"
+
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
@@ -114,18 +128,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action=start --log_path=systemd
 
-#=================================================
-# RESTORE VARIOUS FILES
-#=================================================
-
-ynh_restore_file --origin_path="/etc/cron.d/$app"
-
-#=================================================
-# RESTORE THE LOGROTATE CONFIGURATION
-#=================================================
-
-ynh_restore_file --origin_path="/etc/logrotate.d/$app"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 6f8734e..996076f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -31,26 +31,6 @@ db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
 
 upgrade_type=$(ynh_check_app_version_changed)
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
-# Cleaning legacy permissions
-if ynh_legacy_permissions_exists; then
-	ynh_legacy_permissions_delete_all
-
-	ynh_app_setting_delete --app=$app --key=is_public
-fi
-
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
-
-# Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
-
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -74,6 +54,26 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action=stop --log_path=systemd
 
+#=================================================
+# ENSURE DOWNWARD COMPATIBILITY
+#=================================================
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
+
+# Cleaning legacy permissions
+if ynh_legacy_permissions_exists; then
+	ynh_legacy_permissions_delete_all
+
+	ynh_app_setting_delete --app=$app --key=is_public
+fi
+
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
@@ -81,10 +81,7 @@ ynh_script_progression --message="Upgrading dependencies..." --weight=8
 
 ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 
-
-tempdir="$(mktemp -d)"
-ynh_setup_source --dest_dir=$tempdir --source_id=crystal
-ynh_exec_warn_less dpkg -i $tempdir/crystal_1.0.0-1_amd64.deb
+ynh_exec_warn_less curl -fsSL https://crystal-lang.org/install.sh | bash -s -- --channel=stable
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -94,25 +91,14 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
-	#tmpdir="$(mktemp -d)"
-
-	# Backup the config file in the temp dir
-	#cp -a "$final_path/config/config.yml" "$tmpdir/config.yml"
-
 	pushd $final_path
 		git fetch
     #git checkout master
     git reset --hard --quiet $version_commit
 		git pull
-		shards update && shards install
-		crystal build $final_path/src/invidious.cr --release
+		ynh_exec_warn_less shards update && shards install
+		ynh_exec_warn_less crystal build $final_path/src/invidious.cr --release
 	popd
-
-	# Copy the admin saved settings from tmp directory to final path	
-	#cp -a "$tmpdir/config.yml" "$final_path/config/config.yml" 
-
-	# Remove the tmp directory securely
-	#ynh_secure_remove --file="$tmpdir"
 fi
 
 chmod 750 "$final_path"
@@ -143,6 +129,15 @@ ynh_script_progression --message="Configuring a systemd service..." --weight=2
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
+#=================================================
+# SETUP CRON
+#=================================================
+ynh_script_progression --message="Setuping a cron..." --weight=1
+
+ynh_add_config --template="../conf/cron_invidious" --destination="/etc/cron.d/$app"
+chown root: "/etc/cron.d/$app"
+chmod 644 "/etc/cron.d/$app"
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================