diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0045f104873f22d2b18fe199b527acb08a2d19b7..bdc262dfb463fc1517a7fa797a0058459f594b03 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,4 +8,4 @@ build-buster:
- /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile.debian-buster-mkdocs --destination $CI_REGISTRY_IMAGE/buster-mkdocs:$CI_COMMIT_TAG
- /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile.debian-buster-hugo --destination $CI_REGISTRY_IMAGE/buster-hugo:$CI_COMMIT_TAG
- /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile.debian-bullseye-hugo --destination $CI_REGISTRY_IMAGE/bullseye-hugo:$CI_COMMIT_TAG
-
+ - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile.debian-bullseye-directory-listening --destination $CI_REGISTRY_IMAGE/bullseye-directory-listening:$CI_COMMIT_TAG
diff --git a/Dockerfile.debian-bullseye-directory-listening b/Dockerfile.debian-bullseye-directory-listening
new file mode 100644
index 0000000000000000000000000000000000000000..1d4f31d398daff65705aced540133c208d188282
--- /dev/null
+++ b/Dockerfile.debian-bullseye-directory-listening
@@ -0,0 +1,8 @@
+FROM debian:bullseye
+
+RUN apt-get -qq update && \
+ apt-get -qq dist-upgrade && \
+ apt-get -qq install python3 python3-jinja2 && \
+ apt-get -qq clean
+
+COPY directory-listening/create-index.py /usr/local/bin/create-index
diff --git a/directory-listening/create-index.py b/directory-listening/create-index.py
new file mode 100755
index 0000000000000000000000000000000000000000..07be7ef6665ea79c91d0edd21afd75681b1b001c
--- /dev/null
+++ b/directory-listening/create-index.py
@@ -0,0 +1,100 @@
+#!/usr/bin/env python3
+import jinja2
+import os
+import sys
+from datetime import datetime
+
+def timestamp_to_datetime(timestamp):
+ return datetime.fromtimestamp(timestamp)
+
+def main(inputfolder, outputfolder, ignore_files):
+ jinjaenv = jinja2.Environment(autoescape=jinja2.select_autoescape())
+ jinjaenv.filters["timestamp_to_datetime"] = timestamp_to_datetime
+ template = jinjaenv.from_string("""<!DOCTYPE html>
+ <html>
+ <head>
+ <meta http-equiv="content-type" content="text/html; charset=utf-8">
+ <meta name="viewport" content="width=device-width">
+ <style type="text/css">
+ body,html {
+ background: #fff;
+ font-family: "Bitstream Vera Sans","Lucida Grande","Lucida Sans Unicode",Lucidux,Verdana,Lucida,sans-serif;
+ }
+ tr:nth-child(even) {
+ background:#f4f4f4;
+ }
+ th,td {
+ padding:0.1em 0.5em;
+ }
+ th {
+ text-align:left;
+ font-weight:bold;
+ background:#eee;
+ border-bottom:1px solid #aaa;
+ }
+ #list {
+ border:1px solid #aaa;
+ width:100%;
+ }
+ a {
+ color:#a33;
+ }
+ a:hover {
+ color:#e33;
+ }
+ </style>
+ </head>
+ <body>
+ <h1>Index of /{{ path }}</h1>
+ <table id="list">
+ <thead>
+ <tr>
+ <th style="width:55%">
+ File Name
+ </th>
+ <th style="width:20%">
+ File Size</th>
+ <th style="width:25%">
+ Date
+ </th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td class="link">
+ <a href="../">Parent directory/</a>
+ </td>
+ <td class="size">-</td>
+ <td class="date">-</td>
+ </tr>
+ {% for entry, stat, is_dir in entries %}
+ <tr>
+ <td class="link">
+ <a href="{{ entry + ('/' if is_dir else '') }}" title="{{ entry }}">{{ entry + ('/' if is_dir else '') }}</a>
+ </td>
+ <td class="size">{{ '-' if is_dir else stat.st_size|filesizeformat }}</td>
+ <td class="date">{{ (stat.st_mtime|timestamp_to_datetime).isoformat(timespec='seconds') }}</td>
+ </tr>
+ {% endfor %}
+ </tbody>
+ </table>
+ <p><a href="https://legal.cccv.de">Impressum - Datenschutzerklärung</a></p>
+ </body>
+ </html>
+ """)
+ for path, dirs, files in os.walk(inputfolder):
+ relativ_path_to_input = os.path.relpath(path, inputfolder)
+ entries = [(i, os.stat(os.path.join(path, i)), i in dirs) for i in dirs+files if not i in ignore_files]
+ html_index = template.render(path=relativ_path_to_input, entries=entries)
+ html_index_folder = os.path.join(outputfolder, relativ_path_to_input)
+ html_index_path = os.path.join(html_index_folder, 'index.html')
+ os.makedirs(html_index_folder, exist_ok=True)
+ outputfile = open(html_index_path, "w")
+ outputfile.write(html_index)
+ outputfile.close()
+
+if __name__ == '__main__':
+ if len(sys.argv) != 3:
+ print(f'Usage: {sys.argv[0]} <directory tree to create index from> <output path for index tree>')
+ sys.exit(1)
+ main(inputfolder=sys.argv[1], outputfolder=sys.argv[2], ignore_files=['index.html'])