diff --git a/CODEOWNERS b/CODEOWNERS
index 6b8e7be..4f818bf 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -1 +1 @@
-*       @Yalz @rorlic @WLefever-Cegeka @pj-cegeka @Tomvbe @RubenHuybrighs @jobulcke
+*       @Yalz @rorlic @pj-cegeka @Tomvbe @jobulcke
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 5dc04be..ce8254b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # build environment
-FROM node:18-bullseye-slim AS builder
+FROM node:20-bullseye-slim AS builder
 # fix vulnerabilities
-ARG NPM_TAG=9.6.4
+ARG NPM_TAG=10.2.3
 RUN npm install -g npm@${NPM_TAG}
 # build it
 WORKDIR /build
@@ -10,7 +10,7 @@ RUN npm ci
 RUN npm run build
 
 # run environment
-FROM node:18.16.0-bullseye-slim
+FROM node:20.9.0-bullseye-slim
 # fix vulnerabilities
 # note: trivy insists this to be on the same RUN line
 RUN apt-get -y update && apt-get -y upgrade
@@ -39,7 +39,9 @@ ARG TEMPLATE=
 ENV TEMPLATE=${TEMPLATE}
 ARG MIMETYPE=
 ENV MIMETYPE=${MIMETYPE}
+ARG RANGE=
+ENV RANGE=${RANGE}
 ## set start command
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 USER node
-CMD ["sh", "-c", "node index.js --silent=${SILENT} --mimeType=\"${MIMETYPE}\" --targetUrl=${TARGETURL} --cron=\"${CRON}\" --template=\"${TEMPLATE}\" --templateFile=${TEMPLATEFILE}"]
+CMD ["sh", "-c", "node index.js --silent=${SILENT} --range=${RANGE} --mimeType=\"${MIMETYPE}\" --targetUrl=${TARGETURL} --cron=\"${CRON}\" --template=\"${TEMPLATE}\" --templateFile=${TEMPLATEFILE}"]
diff --git a/README.md b/README.md
index a9d7cd5..1795696 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ You can also pass the following arguments when running the container:
 * `SILENT=true` to display no logging to the console
 * `TARGETURL=<target-uri>` to POST the output to the target URI instead of to the console
 * `MIMETYPE=<mime-type>` to specify a mime-type when POSTing
+* `RANGE=<range>` allows to create the same range of values (1 to `range`) on each tick instead of an increasing index
 
 Alternatively, you can also pass the template as string instead of as file, use `TEMPLATE`.
 
@@ -47,6 +48,7 @@ The generator takes the following command line arguments:
 * `--cron` defines the time schedule, defaults to `* * * * * * ` (every second)
 * `--template='<content>'` allows to provide the template on the command line, no default (if not provided, you MUST provide `--templateFile`)
 * `--templateFile=<partial-or-full-pathname>` allows to provide the template in a file, no default (if not provided, you MUST provide `--template`)
+* `--range=<range>` allows to create a range of values (1 to `<range>`) on every tick instead of an increasing index
 
 The template or template file should simply contain a message with mustache variables (between `{{` and `}}`). E.g.:
 ```json
@@ -57,8 +59,8 @@ The template or template file should simply contain a message with mustache vari
 ```
 
 Currently the only allowed variables are:
-* `index`: increasing integer value, starting from 1
-* `timestamp`: current date and time formatted as [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) in UTC (e.g. `2007-04-05T14:30:00.000Z`)
+* `index`: on each tick, increasing integer value starting from 1 OR a range of values [1 .. N] given by `--range=N`
+* `timestamp`: on each tick, current date and time formatted as [ISO 8601](https://en.wikipedia.org/wiki/ISO_8601) in UTC, e.g. `2007-04-05T14:30:00.000Z` (all values in the range have the same timestamp)
 
 You can run the generator after building it, e.g.:
 
diff --git a/src/generator.ts b/src/generator.ts
index c97bf8f..5a3d7d9 100644
--- a/src/generator.ts
+++ b/src/generator.ts
@@ -18,4 +18,9 @@ export class Generator {
         var next = Mustache.render(this._template, data);
         return next;
     }
+
+    public createRange(range: number): any[] {
+        var timestamp = this.timestamp();
+        return Array.from(Array(range).keys()).map(index => Mustache.render(this._template, { index: index + 1, timestamp: timestamp }));
+    }
 }
diff --git a/src/index.ts b/src/index.ts
index 97cd712..57ac84e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,22 +14,26 @@ let template: string = args['template'] || (args['templateFile'] && readFileSync
 if (!template) throw new Error('Missing template or templateFile');
 
 const generator: Generator = new Generator(template);
+const range = Number.parseInt(args['range'] || '0');
 
 const job = new CronJob(cron, async () => {
-    const body = generator.createNext();
-    const targetUrl = args['targetUrl'] || (existsSync('./TARGETURL') && readFileSync('./TARGETURL', 'utf-8').trimEnd());
-    if (targetUrl) {
-        if (!mimeType) throw new Error('Missing mimeType');
-        if (!silent) console.debug(`Sending to '${targetUrl}':`, body);
-        const response = await fetch(targetUrl, {
-            method: 'post',
-            body: body,
-            headers: {'Content-Type': mimeType}
-        });
-        if (!silent) console.debug(`Response: ${response.statusText}`);
-    } else { // if no targetUrl specified, send to console
-        console.info(body);
-    }
+    const messages = range ? generator.createRange(range) : [generator.createNext()];
+    for await (const body of messages) {
+        const targetUrl = args['targetUrl'] || (existsSync('./TARGETURL') && readFileSync('./TARGETURL', 'utf-8').trimEnd());
+        if (targetUrl) {
+            if (!mimeType) throw new Error('Missing mimeType');
+            if (!silent) console.debug(`Sending to '${targetUrl}':`, body);
+            const response = await fetch(targetUrl, {
+                method: 'post',
+                body: body,
+                headers: {'Content-Type': mimeType}
+            });
+            if (!silent) console.debug(`Response: ${response.statusText}`);
+        } else { // if no targetUrl specified, send to console
+            console.info(body);
+        }
+    };
+
     if (!silent) console.debug('Next run at: ', job.nextDate().toString());
 });