diff --git a/arpspoof/rootfs/etc/cont-init.d/99-run.sh b/arpspoof/rootfs/etc/cont-init.d/99-run.sh
index 895d30aa2..4c633a894 100644
--- a/arpspoof/rootfs/etc/cont-init.d/99-run.sh
+++ b/arpspoof/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 # Autodefine if not defined
 if [ -n "$INTERFACE_NAME" ]; then
diff --git a/cloudcommander/rootfs/etc/cont-init.d/99-run.sh b/cloudcommander/rootfs/etc/cont-init.d/99-run.sh
index a81ac2184..cb12eaff0 100644
--- a/cloudcommander/rootfs/etc/cont-init.d/99-run.sh
+++ b/cloudcommander/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 #################
 # NGINX SETTING #
diff --git a/enedisgateway2mqtt/rootfs/etc/cont-init.d/99-run.sh b/enedisgateway2mqtt/rootfs/etc/cont-init.d/99-run.sh
index 1977556a6..52f832657 100644
--- a/enedisgateway2mqtt/rootfs/etc/cont-init.d/99-run.sh
+++ b/enedisgateway2mqtt/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ##################
 # INITIALIZATION #
diff --git a/enedisgateway2mqtt_dev/rootfs/etc/cont-init.d/99-run.sh b/enedisgateway2mqtt_dev/rootfs/etc/cont-init.d/99-run.sh
index 1977556a6..52f832657 100644
--- a/enedisgateway2mqtt_dev/rootfs/etc/cont-init.d/99-run.sh
+++ b/enedisgateway2mqtt_dev/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ##################
 # INITIALIZATION #
diff --git a/filebrowser/rootfs/etc/cont-init.d/99-run.sh b/filebrowser/rootfs/etc/cont-init.d/99-run.sh
index a8f4e20eb..001962b42 100644
--- a/filebrowser/rootfs/etc/cont-init.d/99-run.sh
+++ b/filebrowser/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ###################
 # SSL CONFIG v1.0 #
diff --git a/fireflyiii/rootfs/etc/cont-init.d/99-run.sh b/fireflyiii/rootfs/etc/cont-init.d/99-run.sh
index 08728770b..2e2d4a40e 100644
--- a/fireflyiii/rootfs/etc/cont-init.d/99-run.sh
+++ b/fireflyiii/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 # hadolint ignore=SC2155
 
 ########
diff --git a/fireflyiii/rootfs/templates/cronupdate b/fireflyiii/rootfs/templates/cronupdate
index ab7256a92..a9dafa642 100644
--- a/fireflyiii/rootfs/templates/cronupdate
+++ b/fireflyiii/rootfs/templates/cronupdate
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 (
 bashio::log.info "Running update according to defined schedule"
diff --git a/fireflyiii_data_importer/rootfs/etc/cont-init.d/20-folders.sh b/fireflyiii_data_importer/rootfs/etc/cont-init.d/20-folders.sh
index 81ab38ad6..d28226a54 100644
--- a/fireflyiii_data_importer/rootfs/etc/cont-init.d/20-folders.sh
+++ b/fireflyiii_data_importer/rootfs/etc/cont-init.d/20-folders.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 CONFIGSOURCE=$(bashio::config "CONFIG_LOCATION")
 CONFIGSOURCE=$(dirname "$CONFIGSOURCE")
diff --git a/fireflyiii_data_importer/rootfs/etc/cont-init.d/99-run.sh b/fireflyiii_data_importer/rootfs/etc/cont-init.d/99-run.sh
index 4ace8bc74..be13b8086 100644
--- a/fireflyiii_data_importer/rootfs/etc/cont-init.d/99-run.sh
+++ b/fireflyiii_data_importer/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 CONFIGSOURCE=$(bashio::config "CONFIG_LOCATION")
 CONFIGSOURCE="$(dirname "$CONFIGSOURCE")"
diff --git a/fireflyiii_data_importer/rootfs/templates/cronupdate b/fireflyiii_data_importer/rootfs/templates/cronupdate
index 43914576f..c86170d26 100644
--- a/fireflyiii_data_importer/rootfs/templates/cronupdate
+++ b/fireflyiii_data_importer/rootfs/templates/cronupdate
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 PATHTOFILES="$(bashio::config "CONFIG_LOCATION")"
 PATHTOFILES="$(dirname "${PATHTOFILES}")"
diff --git a/flaresolverr/rootfs/etc/cont-init.d/99-run.sh b/flaresolverr/rootfs/etc/cont-init.d/99-run.sh
index 8aa7d6879..d63af92c1 100644
--- a/flaresolverr/rootfs/etc/cont-init.d/99-run.sh
+++ b/flaresolverr/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 bashio::log.warning "Warning - minimum configuration recommended : 2 cpu cores and 4 GB of memory. Otherwise the system will become unresponsive and crash."
 
diff --git a/gazpar2mqtt/rootfs/etc/cont-init.d/99-run.sh b/gazpar2mqtt/rootfs/etc/cont-init.d/99-run.sh
index 9f72cada8..152e0e735 100644
--- a/gazpar2mqtt/rootfs/etc/cont-init.d/99-run.sh
+++ b/gazpar2mqtt/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ##############
 # Launch App #
diff --git a/inadyn/rootfs/etc/cont-init.d/99-run.sh b/inadyn/rootfs/etc/cont-init.d/99-run.sh
index 9072bccae..9c25e9b3b 100644
--- a/inadyn/rootfs/etc/cont-init.d/99-run.sh
+++ b/inadyn/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 #################
 # Create config #
diff --git a/joal/rootfs/etc/cont-init.d/99-run.sh b/joal/rootfs/etc/cont-init.d/99-run.sh
index e027214e1..1f22eba4f 100644
--- a/joal/rootfs/etc/cont-init.d/99-run.sh
+++ b/joal/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ################
 # JOAL SETTING #
diff --git a/joplin/rootfs/etc/cont-init.d/99-run.sh b/joplin/rootfs/etc/cont-init.d/99-run.sh
index 6c4a2185d..db31e7556 100644
--- a/joplin/rootfs/etc/cont-init.d/99-run.sh
+++ b/joplin/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,6 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
+# shellcheck disable=SC2155
 
 bashio::log.warning "Warning - minimum configuration recommended : 2 cpu cores and 4 GB of memory. Otherwise the system will become unresponsive and crash."
 
@@ -61,5 +63,5 @@ export APP_BASE_URL=$(bashio::config 'APP_BASE_URL')
 
 bashio::log.info 'Starting Joplin. Initial user is "admin@localhost" with password "admin"'
 
-cd /home/joplin
+cd /home/joplin || true
 npm --prefix packages/server start
diff --git a/mealie/rootfs/run.txt b/mealie/rootfs/run.txt
index 96781b5ec..5119ab430 100644
--- a/mealie/rootfs/run.txt
+++ b/mealie/rootfs/run.txt
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ##########
 # BANNER #
@@ -55,5 +56,5 @@ if bashio::config.true 'ssl'; then
    bashio::log.info "Configuring ssl"
    CERTFILE=$(bashio::config 'certfile')
    KEYFILE=$(bashio::config 'keyfile')
-   sed -i "7 i tls /ssl/$CERTFILE /ssl/$KEYFILE" /app/Caddyfile 
+   sed -i "7 i tls /ssl/$CERTFILE /ssl/$KEYFILE" /app/Caddyfile
 fi
diff --git a/photoprism/rootfs/etc/cont-init.d/99-run.sh b/photoprism/rootfs/etc/cont-init.d/99-run.sh
index c72e28567..137795a60 100644
--- a/photoprism/rootfs/etc/cont-init.d/99-run.sh
+++ b/photoprism/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ###################
 # Define database #
diff --git a/photoprism/rootfs/run.sh b/photoprism/rootfs/run.sh
index f205d7aa4..8ac56bc61 100644
--- a/photoprism/rootfs/run.sh
+++ b/photoprism/rootfs/run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ###########
 # SCRIPTS #
diff --git a/portainer/rootfs/etc/services.d/portainer/run b/portainer/rootfs/etc/services.d/portainer/run
index db4c09aa1..f25569d67 100644
--- a/portainer/rootfs/etc/services.d/portainer/run
+++ b/portainer/rootfs/etc/services.d/portainer/run
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 bashio::log.info "Starting Portainer..."
 
@@ -24,7 +25,7 @@ if bashio::config.true 'ssl'; then
   options+=(--sslcert /ssl/$CERTFILE)
   options+=(--sslkey /ssl/$KEYFILE)
   bashio::log.info "... ssl activated"
-fi 
+fi
 
 ################
 # SET PASSWORD #
diff --git a/webtrees/rootfs/etc/cont-init.d/99-run.sh b/webtrees/rootfs/etc/cont-init.d/99-run.sh
index fe7a40873..6d8ce271f 100644
--- a/webtrees/rootfs/etc/cont-init.d/99-run.sh
+++ b/webtrees/rootfs/etc/cont-init.d/99-run.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env bashio
+# shellcheck shell=bash
 
 ####################
 # GLOBAL VARIABLES #