diff --git a/.gitea/workflows/container.yml b/.gitea/workflows/container.yml
deleted file mode 100644
index b6d0758..0000000
--- a/.gitea/workflows/container.yml
+++ /dev/null
@@ -1,43 +0,0 @@
-name: Build and Push Docker Image
-
-on:
-  push:
-    branches: [ main ]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Login to Registry
-        uses: docker/login-action@v2
-        with:
-          registry: ${GITHUB_SERVER_URL}
-          username: ${{ secrets.REGISTRY_USER }}
-          password: ${{ secrets.REGISTRY_PASSWORD }}
-
-      - name: Build Docker Image
-        env:
-          BRANCH_NAME: ${{ github.ref_name }}
-          SHORT_HASH: ${{ github.sha }}
-        run: |
-          # Build the image with the commit hash tag
-          docker build --build-arg BUILD_IDENTIFIER=${SHORT_HASH:0:5} -t ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}:${BRANCH_NAME}-${SHORT_HASH:0:5} .
-
-          # Tag the same image as "latest"
-          docker tag ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}:${BRANCH_NAME}-${SHORT_HASH:0:5} ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}:${BRANCH_NAME}-latest
-
-      - name: Push Docker Images
-        env:
-          BRANCH_NAME: ${{ github.ref_name }}
-          SHORT_HASH: ${{ github.sha }}
-        run: |
-          docker push ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}:${BRANCH_NAME}-${SHORT_HASH:0:5}
-          docker push ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}:${BRANCH_NAME}-latest
-
-      - name: Log out from registry
-        if: always()
-        run: docker logout ${GITHUB_SERVER_URL}
-
diff --git a/Dockerfile b/Dockerfile
index ea8ac0d..561e2bd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,3 @@
-FROM docker.io/library/python:3.11-alpine AS cabuilder
-RUN apk add --no-cache ca-certificates
-ADD bin/fetch_letsencrypt_ca_certs.py /usr/local/bin/fetch_letsencrypt_ca_certs.py
-RUN /usr/local/bin/fetch_letsencrypt_ca_certs.py /usr/local/share/ca-certificates/
-RUN update-ca-certificates
-
 FROM docker.io/library/python:3.11-alpine
 
 RUN apk --no-cache add sshpass openssh-client lftp nodejs npm; mkdir -p /opt/app
@@ -11,11 +5,9 @@ WORKDIR /opt/app
 ADD requirements.txt /root/
 ADD Dockerfile /root/
 ADD bin/*.sh /usr/local/bin/
-COPY --from=cabuilder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
 
 # ignore "Running pip as root" warning
 ENV PIP_ROOT_USER_ACTION=ignore
-ENV REQUESTS_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
 
 RUN chmod 755 /usr/local/bin/*.sh && pip install -r /root/requirements.txt && pip freeze && rm -Rf "$(pip cache dir)"
 
diff --git a/bin/fetch_letsencrypt_ca_certs.py b/bin/fetch_letsencrypt_ca_certs.py
deleted file mode 100755
index 85eb8f3..0000000
--- a/bin/fetch_letsencrypt_ca_certs.py
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/usr/bin/env python3
-
-import os
-import sys
-import requests
-from html.parser import HTMLParser
-from urllib.parse import urljoin
-
-LETSENCRYPT_CERT_PAGE = "https://letsencrypt.org/certificates/"
-DEFAULT_TARGET_DIR = "./letsencrypt-ca"
-
-
-class PemLinkParser(HTMLParser):
-    def __init__(self):
-        super().__init__()
-        self.pem_links = set()
-
-    def handle_starttag(self, tag, attrs):
-        if tag.lower() != "a":
-            return
-        for attr, value in attrs:
-            if attr == "href" and value.lower().endswith(".pem"):
-                self.pem_links.add(value)
-
-
-def fetch_certificate_page():
-    resp = requests.get(LETSENCRYPT_CERT_PAGE, timeout=15)
-    resp.raise_for_status()
-    return resp.text
-
-
-def extract_pem_links(html):
-    parser = PemLinkParser()
-    parser.feed(html)
-    return sorted(
-        urljoin(LETSENCRYPT_CERT_PAGE, link)
-        for link in parser.pem_links
-    )
-
-
-def download_and_store(url, target_dir):
-    base_name = os.path.basename(url)
-    # Zielname = .crt statt .pem
-    target_name = os.path.splitext(base_name)[0] + ".crt"
-    target_path = os.path.join(target_dir, target_name)
-
-    if os.path.exists(target_path):
-        print(f"[=] Bereits vorhanden: {target_name}")
-        return target_name
-
-    print(f"[+] Lade herunter: {base_name}")
-    resp = requests.get(url, timeout=15)
-    resp.raise_for_status()
-
-    if b"BEGIN CERTIFICATE" not in resp.content:
-        print(f"[!] Ungültiges Zertifikat: {base_name}")
-        return None
-
-    # Direkt als .crt speichern (PEM-Inhalt)
-    with open(target_path, "wb") as f:
-        f.write(resp.content)
-
-    return target_name
-
-
-def list_local_crt_files(target_dir):
-    return {
-        f for f in os.listdir(target_dir)
-        if f.lower().endswith(".crt")
-    }
-
-
-def main():
-    target_dir = sys.argv[1] if len(sys.argv) > 1 else DEFAULT_TARGET_DIR
-    os.makedirs(target_dir, exist_ok=True)
-
-    print(f"[*] Zielverzeichnis: {os.path.abspath(target_dir)}")
-    print("[*] Format: PEM-Inhalt mit .crt-Endung")
-
-    html = fetch_certificate_page()
-    pem_urls = extract_pem_links(html)
-
-    # Remote-Dateinamen im .crt-Format
-    remote_files = {
-        os.path.splitext(os.path.basename(url))[0] + ".crt"
-        for url in pem_urls
-    }
-
-    for url in pem_urls:
-        download_and_store(url, target_dir)
-
-    local_files = list_local_crt_files(target_dir)
-    orphaned = sorted(local_files - remote_files)
-
-    print("\n" + "=" * 60)
-    if orphaned:
-        print("[!] Lokal vorhanden, aber nicht mehr gelistet:")
-        for f in orphaned:
-            print(f"    - {f}")
-    else:
-        print("[✓] Keine veralteten Dateien gefunden")
-    print("=" * 60)
-    print("[✓] Fertig.")
-
-
-if __name__ == "__main__":
-    main()
-
-