Generate Karakeep secrets on first start

karakeep/rootfs/etc/cont-init.d/91-secrets.sh

@@ -0,0 +1,33 @@
+#!/command/with-contenv bashio
+# shellcheck shell=bash
+set -e
+
+generate_secret() {
+  tr -dc 'A-Za-z0-9' < /dev/urandom | head -c 64
+}
+
+set_option() {
+  local key="$1"
+  local value="$2"
+
+  bashio::addon.option "${key}" "${value}"
+  export "${key}=${value}"
+
+  if [ -d /var/run/s6/container_environment ]; then
+    printf "%s" "${value}" > "/var/run/s6/container_environment/${key}"
+  fi
+}
+
+for key in MEILI_MASTER_KEY NEXTAUTH_SECRET; do
+  if bashio::config.has_value "${key}"; then
+    value="$(bashio::config "${key}")"
+    export "${key}=${value}"
+    if [ -d /var/run/s6/container_environment ]; then
+      printf "%s" "${value}" > "/var/run/s6/container_environment/${key}"
+    fi
+  else
+    bashio::log.warning "${key} is not set. Generating a new value and storing it in addon options."
+    value="$(generate_secret)"
+    set_option "${key}" "${value}"
+  fi
+done