diff --git a/addons/postgresql/reloader/update-parameter.sh b/addons/postgresql/reloader/update-parameter.sh
index dea8d9522..5b1267877 100644
--- a/addons/postgresql/reloader/update-parameter.sh
+++ b/addons/postgresql/reloader/update-parameter.sh
@@ -1,65 +1,49 @@
-#!/bin/bash
-set -euo pipefail
+#!/bin/sh
+set -eu
 
 parse_yaml_array() {
-    local file="$1"
-    [[ -f "$file" ]] && grep "^- " "$file" | sed 's/^- //' | sed 's/^["'\'']//' | sed 's/["'\'']$//'
+    file="$1"
+    [ -f "$file" ] && grep "^- " "$file" | sed 's/^- //' | sed 's/^["'\'']//' | sed 's/["'\'']$//'
 }
 
 in_array() {
-    local target="$1"
+    target="$1"
     shift
-    for item in "$@"; do
-        [[ "$item" == "$target" ]] && return 0
-    done
-    return 1
-}
-
-build_json_with_jq() {
-    local json="{}"
+    items="$*"
 
-    for key in "${!patroni_dict[@]}"; do
-        json=$(echo "$json" | jq --arg k "$key" --arg v "${patroni_dict[$key]}" '. + {($k): $v}')
+    for item in $items; do
+        [ "$item" = "$target" ] && return 0
     done
-
-    if [[ ${#postgresql_dict[@]} -gt 0 ]]; then
-        local pg_params="{}"
-        for key in "${!postgresql_dict[@]}"; do
-            pg_params=$(echo "$pg_params" | jq --arg k "$key" --arg v "${postgresql_dict[$key]}" '. + {($k): $v}')
-        done
-        json=$(echo "$json" | jq --argjson params "$pg_params" '. + {postgresql: {parameters: $params}}')
-    fi
-
-    echo "$json"
+    return 1
 }
 
-BOOTSTRAP_FILE="./restart-parameter.yaml"
-PATRONI_PARAMS_FILE="./patroni-parameter.yaml"
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+BOOTSTRAP_FILE="${SCRIPT_DIR}/restart-parameter.yaml"
+PATRONI_PARAMS_FILE="${SCRIPT_DIR}/patroni-parameter.yaml"
 
-mapfile -t restart_params < <(parse_yaml_array "$BOOTSTRAP_FILE")
-mapfile -t patroni_params < <(parse_yaml_array "$PATRONI_PARAMS_FILE")
+restart_params=$(parse_yaml_array "$BOOTSTRAP_FILE")
+patroni_params=$(parse_yaml_array "$PATRONI_PARAMS_FILE")
 
 command="reload"
 paramName="${1:?missing param name}"
 paramValue="${2:?missing value}"
-paramValue="${paramValue//\'/}"
+paramValue=$(echo "$paramValue" | sed "s/'//g")
 
-declare -A patroni_dict
-declare -A postgresql_dict
-if in_array "$paramName" "${patroni_params[@]}"; then
-    patroni_dict["$paramName"]="$paramValue"
+json_params="{}"
+if in_array "$paramName" "$patroni_params"; then
+    json_params=$(echo "$json_params" | jq --arg k "$paramName" --arg v "$paramValue" '. + {($k): $v}')
 else
-    postgresql_dict["$paramName"]="$paramValue"
+    pg_params=$(echo "{}" | jq --arg k "$paramName" --arg v "$paramValue" '. + {($k): $v}')
+    json_params=$(echo "$json_params" | jq --argjson params "$pg_params" '. + {postgresql: {parameters: $params}}')
 fi
 
-in_array "$paramName" "${restart_params[@]}" && command="restart"
+in_array "$paramName" "$restart_params" && command="restart"
 
-json_params=$(build_json_with_jq)
 curl -s -X PATCH -H "Content-Type: application/json" \
     --data "$json_params" \
     "http://localhost:8008/config"
 
-if [[ "$command" == "restart" ]]; then
+if [ "$command" = "restart" ]; then
     curl -s -X POST "http://localhost:8008/restart"
 else
     curl -s -X POST "http://localhost:8008/reload"
diff --git a/addons/postgresql/templates/paramsdef.yaml b/addons/postgresql/templates/paramsdef.yaml
index 5bb08d366..12c0ee8fb 100644
--- a/addons/postgresql/templates/paramsdef.yaml
+++ b/addons/postgresql/templates/paramsdef.yaml
@@ -20,12 +20,7 @@ spec:
       scriptConfig:
         scriptConfigMapRef: {{ include "postgresql.patroniReloadScriptsTemplate" $ }}
         namespace: {{ $.Release.Namespace }}
-      toolsSetup:
-        mountPoint: /kb_tools
-        toolConfigs:
-          - name: kb-tools
-            image: {{ $.Values.image.registry | default "docker.io" }}/{{ $.Values.image.repository }}:{{ (index .minors 0).tag }}
-            asContainerImage: true
+
     ## update patroni master
     targetPodSelector:
       matchLabels: