diff --git a/example_configs/bootstrap/bootstrap.md b/example_configs/bootstrap/bootstrap.md
index 22b2694..65807dd 100644
--- a/example_configs/bootstrap/bootstrap.md
+++ b/example_configs/bootstrap/bootstrap.md
@@ -1,4 +1,4 @@
-# Bootstrapping lldap using [bootstrap.sh](bootstrap.sh) script
+# Bootstrapping lldap using [bootstrap.sh](/scripts/bootstrap.sh) script
 
 bootstrap.sh allows managing your lldap in a git-ops, declarative way using JSON config files.
 
@@ -12,7 +12,7 @@ The script can:
 * create groups
 * delete redundant users and groups (when `DO_CLEANUP` env var is true)
 * maintain the desired state described in JSON config files
-
+* create user/group user-defined attributes
 
 ![](bootstrap-example-log-1.jpeg)
 
@@ -27,11 +27,13 @@ The script can:
 
 ## Environment variables
 
-- `LLDAP_URL` or `LLDAP_URL_FILE` - URL to your lldap instance or path to file that contains URL (**MANDATORY**)
-- `LLDAP_ADMIN_USERNAME` or `LLDAP_ADMIN_USERNAME_FILE` - admin username or path to file that contains username (**MANDATORY**)
-- `LLDAP_ADMIN_PASSWORD` or `LLDAP_ADMIN_PASSWORD_FILE` - admin password or path to file that contains password (**MANDATORY**)
-- `USER_CONFIGS_DIR` (default value: `/user-configs`) - directory where the user JSON configs could be found
-- `GROUP_CONFIGS_DIR` (default value: `/group-configs`) - directory where the group JSON configs could be found
+- `LLDAP_URL` or `LLDAP_URL_FILE` (default value: `http://localhost:17170`) - URL to your lldap instance or path to file that contains URL
+- `LLDAP_ADMIN_USERNAME` or `LLDAP_ADMIN_USERNAME_FILE` (default value: `admin`) - admin username or path to file that contains username
+- `LLDAP_ADMIN_PASSWORD` or `LLDAP_ADMIN_PASSWORD_FILE` (default value: `password`) - admin password or path to file that contains password
+- `USER_CONFIGS_DIR` (default value: `/bootstrap/user-configs`) - directory where the user JSON configs could be found
+- `GROUP_CONFIGS_DIR` (default value: `/bootstrap/group-configs`) - directory where the group JSON configs could be found
+- `USER_SCHEMAS_DIR` (default value: `/bootstrap/user-schemas`) - directory where the user schema JSON configs could be found
+- `GROUP_SCHEMAS_DIR` (default value: `/bootstrap/group-schemas`) - directory where the group schema JSON configs could be found
 - `LLDAP_SET_PASSWORD_PATH` - path to the `lldap_set_password` utility (default value: `/app/lldap_set_password`)
 - `DO_CLEANUP` (default value: `false`) - delete groups and users not specified in config files, also remove users from groups that they do not belong to
 
@@ -96,6 +98,44 @@ Fields description:
 
 ```
 
+### User and group schema config file example
+
+User and group schema have the same structure.
+
+Fields description:
+
+* `name`: name of field, case insensitve - you should use lowercase
+* `attributeType`: `STRING` / `INTEGER` / `JPEG` / `DATE_TIME`
+* `isList`: single on multiple value field
+* `isEditable`: self-explanatory
+* `isVisible`: self-explanatory
+
+```json
+[
+  {
+    "name": "uid",
+    "attributeType": "INTEGER",
+    "isEditable": false,
+    "isList": false,
+    "isVisible": true
+  },
+  {
+    "name": "mailbox",
+    "attributeType": "STRING",
+    "isEditable": false,
+    "isList": false,
+    "isVisible": true
+  },
+  {
+    "name": "mail_alias",
+    "attributeType": "STRING",
+    "isEditable": false,
+    "isList": true,
+    "isVisible": true
+  }
+]
+```
+
 ## Usage example
 
 ### Manually
@@ -110,11 +150,21 @@ export LLDAP_ADMIN_USERNAME=admin
 export LLDAP_ADMIN_PASSWORD=changeme
 export USER_CONFIGS_DIR="$(realpath ./configs/user)"
 export GROUP_CONFIGS_DIR="$(realpath ./configs/group)"
+export USER_SCHEMAS_DIR="$(realpath ./configs/user-schema)"
+export GROUP_SCHEMAS_DIR="$(realpath ./configs/group-schema)"
 export LLDAP_SET_PASSWORD_PATH="$(realpath ./lldap_set_password)"
 export DO_CLEANUP=false
 ./bootstrap.sh
 ```
 
+### Manually from running docker container or service
+
+After setting a docker container you can bootstrap users using:
+
+```
+docker exec -e LLDAP_ADMIN_PASSWORD_FILE=password -v ./bootstrap:/bootstrap -it $(docker ps --filter name=lldap -q) /app/bootstrap.sh
+```
+
 ### Docker compose
 
 Let's suppose you have the next file structure:
@@ -129,10 +179,17 @@ Let's suppose you have the next file structure:
    │  ├─ ...
    │  └─ user-n.json
    └─ group-configs
-      ├─ group-1.json
+   |  ├─ group-1.json
+   |  ├─ ...
+   |  └─ group-n.json
+   └─ user-schemas
+   |  ├─ user-attrs-1.json
+   |  ├─ ...
+   |  └─ user-attrs-n.json
+   └─ group-schemas
+      ├─ group-attrs-1.json
       ├─ ...
-      └─ group-n.json
-   
+      └─ group-attrs-n.json
 ```
 
 You should mount `bootstrap` dir to lldap container and set the corresponding `env` variables:
@@ -160,6 +217,8 @@ services:
       - LLDAP_ADMIN_PASSWORD=changeme # same as LLDAP_LDAP_USER_PASS
       - USER_CONFIGS_DIR=/bootstrap/user-configs
       - GROUP_CONFIGS_DIR=/bootstrap/group-configs
+      - USER_SCHEMAS_DIR=/bootstrap/user-schemas
+      - GROUP_SCHEMAS_DIR=/bootstrap/group-schemas
       - DO_CLEANUP=false
 ```
 
@@ -205,14 +264,15 @@ spec:
           volumeMounts:
             - name: bootstrap
               mountPath: /bootstrap/bootstrap.sh
+              readOnly: true
               subPath: bootstrap.sh
 
             - name: user-configs
-              mountPath: /user-configs
+              mountPath: /bootstrap/user-configs
               readOnly: true
 
             - name: group-configs
-              mountPath: /group-configs
+              mountPath: /bootstrap/group-configs
               readOnly: true
 
       volumes:
diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 20933ae..6001eb3 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -3,14 +3,24 @@
 set -e
 set -o pipefail
 
-LLDAP_URL="${LLDAP_URL}"
-LLDAP_ADMIN_USERNAME="${LLDAP_ADMIN_USERNAME}"
-LLDAP_ADMIN_PASSWORD="${LLDAP_ADMIN_PASSWORD}"
-USER_CONFIGS_DIR="${USER_CONFIGS_DIR:-/user-configs}"
-GROUP_CONFIGS_DIR="${GROUP_CONFIGS_DIR:-/group-configs}"
+LLDAP_URL="${LLDAP_URL:-http://localhost:17170}"
+LLDAP_ADMIN_USERNAME="${LLDAP_ADMIN_USERNAME:-admin}"
+LLDAP_ADMIN_PASSWORD="${LLDAP_ADMIN_PASSWORD:-password}"
+USER_SCHEMAS_DIR="${USER_SCHEMAS_DIR:-/bootstrap/user-schemas}"
+GROUP_SCHEMAS_DIR="${GROUP_SCHEMAS_DIR:-/bootstrap/group-schemas}"
+USER_CONFIGS_DIR="${USER_CONFIGS_DIR:-/bootstrap/user-configs}"
+GROUP_CONFIGS_DIR="${GROUP_CONFIGS_DIR:-/bootstrap/group-configs}"
 LLDAP_SET_PASSWORD_PATH="${LLDAP_SET_PASSWORD_PATH:-/app/lldap_set_password}"
 DO_CLEANUP="${DO_CLEANUP:-false}"
 
+# Fallback to support legacy defaults
+if [[ ! -d $USER_CONFIGS_DIR ]] && [[ -d "/user-configs" ]]; then
+  USER_CONFIGS_DIR="/user-configs"
+fi
+if [[ ! -d $GROUP_CONFIGS_DIR ]] && [[ -d "/group-configs" ]]; then
+  GROUP_CONFIGS_DIR="/group-configs"
+fi
+
 check_install_dependencies() {
   local commands=('curl' 'jq' 'jo')
   local commands_not_found='false'
@@ -280,6 +290,80 @@ delete_user() {
   fi
 }
 
+get_group_property_list() {
+  local query='{"query":"query GetGroupAttributesSchema { schema { groupSchema { attributes { name }}}}","operationName":"GetGroupAttributesSchema"}'
+  make_query <(printf '%s' "$query") <(printf '{}')
+}
+group_property_exists() {
+  if [[ "$(get_group_property_list | jq --raw-output --arg name "$1" '.data.schema.groupSchema.attributes | any(.[]; select(.name == $name))')" == 'true' ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+create_group_schema_property() {
+  local name="$1"
+  local attributeType="$2"
+  local isEditable="$3"
+  local isList="$4"
+  local isVisible="$5"
+
+  if group_property_exists "$name"; then
+    printf 'Group property "%s" already exists\n' "$name"
+    return
+  fi
+
+  # shellcheck disable=SC2016
+  local query='{"query":"mutation CreateGroupAttribute($name: String!, $attributeType: AttributeType!, $isList: Boolean!, $isVisible: Boolean!, $isEditable: Boolean!) {addGroupAttribute(name: $name, attributeType: $attributeType, isList: $isList, isVisible: $isVisible, isEditable: $isEditable) {ok}}","operationName":"CreateGroupAttribute"}'
+
+  local response='' error=''
+  response="$(make_query <(printf '%s' "$query") <(jo -- name="$name" attributeType="$attributeType" isEditable="$isEditable" isList="$isList" isVisible="$isVisible"))"
+  error="$(printf '%s' "$response" | jq --raw-output '.errors | if . != null then .[].message else empty end')"
+  if [[ -n "$error" ]]; then
+    printf '%s\n' "$error"
+  else
+    printf 'Group attribute "%s" successfully created\n' "$name"
+  fi
+}
+
+get_user_property_list() {
+  local query='{"query":"query GetUserAttributesSchema { schema { userSchema { attributes { name }}}}","operationName":"GetUserAttributesSchema"}'
+  make_query <(printf '%s' "$query") <(printf '{}')
+}
+user_property_exists() {
+  if [[ "$(get_user_property_list | jq --raw-output --arg name "$1" '.data.schema.userSchema.attributes | any(.[]; select(.name == $name))')" == 'true' ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+create_user_schema_property() {
+  local name="$1"
+  local attributeType="$2"
+  local isEditable="$3"
+  local isList="$4"
+  local isVisible="$5"
+
+  if user_property_exists "$name"; then
+    printf 'User property "%s" already exists\n' "$name"
+    return
+  fi
+
+  # shellcheck disable=SC2016
+  local query='{"query":"mutation CreateUserAttribute($name: String!, $attributeType: AttributeType!, $isList: Boolean!, $isVisible: Boolean!, $isEditable: Boolean!) {addUserAttribute(name: $name, attributeType: $attributeType, isList: $isList, isVisible: $isVisible, isEditable: $isEditable) {ok}}","operationName":"CreateUserAttribute"}'
+
+  local response='' error=''
+  response="$(make_query <(printf '%s' "$query") <(jo -- name="$name" attributeType="$attributeType" isEditable="$isEditable" isList="$isList" isVisible="$isVisible"))"
+  error="$(printf '%s' "$response" | jq --raw-output '.errors | if . != null then .[].message else empty end')"
+  if [[ -n "$error" ]]; then
+    printf '%s\n' "$error"
+  else
+    printf 'User attribute "%s" successfully created\n' "$name"
+  fi
+}
+
 __common_user_mutation_query() {
   local \
     query="$1" \
@@ -387,8 +471,18 @@ main() {
 
   local user_config_files=("${USER_CONFIGS_DIR}"/*.json)
   local group_config_files=("${GROUP_CONFIGS_DIR}"/*.json)
+  local user_schema_files=()
+  local group_schema_files=()
 
-  if ! check_configs_validity "${group_config_files[@]}" "${user_config_files[@]}"; then
+  local file=''
+  [[ -d "$USER_SCHEMAS_DIR" ]] && for file in "${USER_SCHEMAS_DIR}"/*.json; do
+    user_schema_files+=("$file")
+  done
+  [[ -d "$GROUP_SCHEMAS_DIR" ]] && for file in "${GROUP_SCHEMAS_DIR}"/*.json; do
+    group_schema_files+=("$file")
+  done
+
+  if ! check_configs_validity "${group_config_files[@]}" "${user_config_files[@]}" "${group_schema_files[@]}" "${user_schema_files[@]}"; then
     exit 1
   fi
 
@@ -399,6 +493,28 @@ main() {
 
   auth "$LLDAP_URL" "$LLDAP_ADMIN_USERNAME" "$LLDAP_ADMIN_PASSWORD"
 
+  printf -- '\n--- group schemas ---\n'
+  local group_schema_config_row=''
+  [[ ${#group_schema_files[@]} -gt 0 ]] && while read -r group_schema_config_row; do
+    local field='' name='' attributeType='' isEditable='' isList='' isVisible=''
+    for field in 'name' 'attributeType' 'isEditable' 'isList' 'isVisible'; do
+      declare "$field"="$(printf '%s' "$group_schema_config_row" | jq --raw-output --arg field "$field" '.[$field]')"
+    done
+    create_group_schema_property "$name" "$attributeType" "$isEditable" "$isList" "$isVisible"
+  done < <(jq --compact-output '.[]' -- "${group_schema_files[@]}")
+  printf -- '--- group schemas ---\n'
+
+  printf -- '\n--- user schemas ---\n'
+  local user_schema_config_row=''
+  [[ ${#user_schema_files[@]} -gt 0 ]] && while read -r user_schema_config_row; do
+    local field='' name='' attributeType='' isEditable='' isList='' isVisible=''
+    for field in 'name' 'attributeType' 'isEditable' 'isList' 'isVisible'; do
+      declare "$field"="$(printf '%s' "$user_schema_config_row" | jq --raw-output --arg field "$field" '.[$field]')"
+    done
+    create_user_schema_property "$name" "$attributeType" "$isEditable" "$isList" "$isVisible"
+  done < <(jq --compact-output '.[]' -- "${user_schema_files[@]}")
+  printf -- '--- user schemas ---\n'
+
   local redundant_groups=''
   redundant_groups="$(get_group_list | jq '[ .data.groups[].displayName ]' | jq --compact-output '. - ["lldap_admin","lldap_password_manager","lldap_strict_readonly"]')"