diff --git a/base-line-nodejs/examples.http b/base-line-nodejs/examples.http
new file mode 100755
index 0000000..82f655a
--- /dev/null
+++ b/base-line-nodejs/examples.http
@@ -0,0 +1,13 @@
+# These examples can be used directly in VSCode, using REST Client extension (humao.rest-client)
+
+# Parse un flux JSON, et le returne sans modification
+POST https://base-line.services.inist.fr/v1/echo/json?indent=true HTTP/1.1
+Content-Type: application/json
+
+[
+	{ "value": "à l'école" },
+	{ "value": "où" }
+]
+###
+
+
diff --git a/base-line-nodejs/index.js b/base-line-nodejs/index.js
new file mode 100755
index 0000000..58d13b3
--- /dev/null
+++ b/base-line-nodejs/index.js
@@ -0,0 +1,15 @@
+var accents = require('remove-accents');
+
+const dropAccent = (data, feed, ctx) => {
+  if (ctx.isLast()) {
+    return feed.close();
+  }
+  const defval = ctx.getParam('valeurParDefaut', 'n/a')
+  const curval = data.value || defval;
+  data.value = accents.remove(curval);
+  return feed.send(data);
+};
+
+exports.default = {
+  dropAccent,
+};
diff --git a/base-line-nodejs/package.json b/base-line-nodejs/package.json
new file mode 100755
index 0000000..0986261
--- /dev/null
+++ b/base-line-nodejs/package.json
@@ -0,0 +1,8 @@
+{
+  "name": "@ezs/local",
+  "version": "1.0.0",
+  "main": "index.js",
+  "dependencies": {
+    "remove-accents": "^0.4.2"
+  }
+}
diff --git a/base-line-nodejs/v1/no-accent.ini b/base-line-nodejs/v1/no-accent.ini
new file mode 100755
index 0000000..6d1c649
--- /dev/null
+++ b/base-line-nodejs/v1/no-accent.ini
@@ -0,0 +1,33 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-no-accent
+post.description = Exemple d'utilisatino d'une fonction adhoc
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant une chaine de caractère
+post.tags.0 = base-line-nodejs
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = école
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = ecole
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les accents dans le champ value sont supprimés
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+[use]
+plugin = @ezs/basics
+plugin = @ezs/local
+
+[JSONParse]
+separator = *
+
+[dropAccent]
+defValue = Pas de valeur
+
+[dump]
+indent = env('indent')
+
diff --git a/base-line-nodejs/v1/no-accent2.ini b/base-line-nodejs/v1/no-accent2.ini
new file mode 100755
index 0000000..856be80
--- /dev/null
+++ b/base-line-nodejs/v1/no-accent2.ini
@@ -0,0 +1,41 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-no-accent
+post.description = Exemple d'utilisatino d'une fonction adhoc
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant une chaine de caractère
+post.tags.0 = base-line-nodejs
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = école
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = ecole
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les accents dans le champ value sont supprimés
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+[use]
+plugin = @ezs/basics
+plugin = @ezs/analytics
+plugin = @ezs/local
+
+[JSONParse]
+separator = *
+
+# expand is the easiest way to optimize your script. It allows to parallelize batch processing
+[expand]
+path = value
+size = 100
+# in production mode, uncomment the following line
+# cache = boost
+
+[expand/dropAccent]
+defValue = Pas de valeur
+
+[dump]
+indent = env('indent')
+
diff --git a/base-line-python/examples.http b/base-line-python/examples.http
new file mode 100755
index 0000000..516e186
--- /dev/null
+++ b/base-line-python/examples.http
@@ -0,0 +1,11 @@
+# These examples can be used directly in VSCode, using REST Client extension (humao.rest-client)
+
+# Parse un flux JSON, et le returne sans modification
+POST http://localhost:31976/v1/no-accent?indent=true HTTP/1.1
+Content-Type: application/json
+
+[
+	{ "value": "é" },
+	{ "value": "à" }
+]
+###
diff --git a/base-line-python/requirements.txt b/base-line-python/requirements.txt
new file mode 100755
index 0000000..051b14c
--- /dev/null
+++ b/base-line-python/requirements.txt
@@ -0,0 +1 @@
+unidecode
diff --git a/base-line-python/v1/no-accent.ini b/base-line-python/v1/no-accent.ini
new file mode 100755
index 0000000..df12654
--- /dev/null
+++ b/base-line-python/v1/no-accent.ini
@@ -0,0 +1,35 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-no-accent
+post.description = Exemple d'utilisation d'une fonction adhoc
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant une chaine de caractère
+post.tags.0 = base-line-python
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = école
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = ecole
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les accents dans le champ value sont supprimés
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+[use]
+plugin = @ezs/spawn
+plugin = @ezs/analytics
+plugin = @ezs/basics
+
+[JSONParse]
+separator = *
+
+[exec]
+# command should be executable !
+command = ./v1/no-accent.py
+
+[JSONString]
+indent = env('indent')
+
diff --git a/base-line-python/v1/no-accent.py b/base-line-python/v1/no-accent.py
new file mode 100755
index 0000000..cae593c
--- /dev/null
+++ b/base-line-python/v1/no-accent.py
@@ -0,0 +1,12 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+import json
+import sys
+from unidecode import unidecode
+
+for line in sys.stdin:
+    data=json.loads(line)
+    data['value']=unidecode(data['value'])
+    sys.stdout.write(json.dumps(data))
+    sys.stdout.write('\n')
+ 
diff --git a/base-line-python/v1/no-accent2.ini b/base-line-python/v1/no-accent2.ini
new file mode 100755
index 0000000..d207c2d
--- /dev/null
+++ b/base-line-python/v1/no-accent2.ini
@@ -0,0 +1,42 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-no-accent
+post.description = Exemple d'utilisation d'une fonction adhoc
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant une chaine de caractère
+post.tags.0 = base-line-python
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = école
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = ecole
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les accents dans le champ value sont supprimés
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+[use]
+plugin = @ezs/spawn
+plugin = @ezs/analytics
+plugin = @ezs/basics
+
+[JSONParse]
+separator = *
+
+# expand is the easiest way to optimize your script. It allows to parallelize batch processing
+[expand]
+path = value
+size = 100
+# in production mode, uncomment the following line
+# cache = boost
+
+[expand/exec]
+# command should be executable !
+command = ./v1/no-accent.py
+
+[JSONString]
+indent = env('indent')
+
diff --git a/base-line/v1/no-accent.ini b/base-line/v1/no-accent.ini
new file mode 100755
index 0000000..bd0e63e
--- /dev/null
+++ b/base-line/v1/no-accent.ini
@@ -0,0 +1,33 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-no-accent
+post.description = Exemple d'utilisatino d'une fonction adhoc
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant une chaine de caractère
+post.tags.0 = base-line
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = école
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = ecole
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les accents dans le champ value sont supprimés
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+[use]
+plugin = @ezs/basics
+
+[JSONParse]
+separator = *
+
+[assign]
+path = value
+value = get('value').deburr()
+
+[dump]
+indent = env('indent')
+
diff --git a/base-line/v1/no-accent2.ini b/base-line/v1/no-accent2.ini
new file mode 100755
index 0000000..46a95ae
--- /dev/null
+++ b/base-line/v1/no-accent2.ini
@@ -0,0 +1,40 @@
+# OpenAPI Documentation - JSON format (dot notation)
+mimeType = application/json
+
+post.operationId = post-v1-no-accent
+post.description = Exemple d'utilisatino d'une fonction adhoc
+post.summary = Récupération à partir d'un tableau d'objets avec à minima un champ value contenant une chaine de caractère
+post.tags.0 = base-line
+post.requestBody.content.application/json.example.0.id = 1
+post.requestBody.content.application/json.example.0.value = école
+post.requestBody.content.application/json.schema.$ref = #/components/schemas/JSONStream
+post.requestBody.required = true
+post.responses.default.content.application/json.example.0.id = 1
+post.responses.default.content.application/json.example.0.value = ecole
+post.responses.default.content.application/json.schema.$ref =  #/components/schemas/JSONStream
+post.responses.default.description = Les accents dans le champ value sont supprimés
+post.parameters.0.description = Indenter le JSON résultant
+post.parameters.0.in = query
+post.parameters.0.name = indent
+post.parameters.0.schema.type = boolean
+
+[use]
+plugin = @ezs/basics
+
+[JSONParse]
+separator = *
+
+# expand is the easiest way to optimize your script. It allows to parallelize batch processing
+[expand]
+path = value
+size = 100
+# in production mode, uncomment the following line
+# cache = boost
+
+[expand/assign]
+path = value
+value = get('value').deburr()
+
+[dump]
+indent = env('indent')
+
diff --git a/docker-compose.yml b/docker-compose.yml
index 6617ecc..bba8bdd 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: '3'
 services:
     shell:
-        image: inistcnrs/lodex-workers-python:3.0.6
+        image: inistcnrs/lodex-workers-python:4.0.10
         environment:
             - http_proxy
             - https_proxy
@@ -9,7 +9,7 @@
            - .:/app
         command: bash
     python:
-        image: inistcnrs/lodex-workers-python:3.0.6
+        image: inistcnrs/lodex-workers-python:4.0.10
         environment:
             - http_proxy
             - https_proxy
@@ -18,7 +18,7 @@
         volumes:
             - ./${WORKING_DIR}:/app/public
     nodejs:
-        image: inistcnrs/lodex-workers:9.0.5
+        image: inistcnrs/lodex-workers:9.2.1
         environment:
             - http_proxy
             - https_proxy