diff --git a/Dockerfile b/Dockerfile
index e3e9453..1d82a34 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -28,6 +28,6 @@ RUN pip install -r requirements.txt
 
 COPY . .
 
-RUN python -c "import constants; repos='\n'.join(['\n'.join([f'[{repo}]', f'Server = file:///prebuilts/\$repo', '']) for repo in constants.REPOSITORIES]); print(repos)" | tee /etc/pacman.d/kupfer-local
+RUN python -c "import constants; repos='\n'.join(['\n'.join(['', f'[{repo}]', f'Server = file:///prebuilts/\$repo']) for repo in constants.REPOSITORIES]); print(repos)" | tee -a /etc/pacman.conf
 
 WORKDIR /src
diff --git a/config.py b/config.py
index 2a32d6b..db86296 100644
--- a/config.py
+++ b/config.py
@@ -7,7 +7,6 @@ import click
 
 CONFIG_DEFAULT_PATH = os.path.join(appdirs.user_config_dir('kupfer'), 'kupferbootstrap.toml')
 
-
 PROFILE_DEFAULTS = {
     'device': '',
     'flavour': '',
@@ -41,6 +40,7 @@ CONFIG_RUNTIME_DEFAULTS = {
     'arch': None,
 }
 
+
 def sanitize_config(conf: dict, warn_missing_defaultprofile=True) -> dict:
     """checks the input config dict for unknown keys and returns only the known parts"""
     return merge_configs(conf_new=conf, conf_base={}, warn_missing_defaultprofile=warn_missing_defaultprofile)
diff --git a/constants.py b/constants.py
index 6c66e70..9a3c971 100644
--- a/constants.py
+++ b/constants.py
@@ -47,8 +47,21 @@ ARCHES = [
     'aarch64',
 ]
 
-BASE_DISTROS: {
+BASE_DISTROS = {
     'x86_64': {
-        '': '',
+        'repos': {
+            'core': 'http://ftp.halifax.rwth-aachen.de/archlinux/$repo/os/$arch',
+            'extra': 'http://ftp.halifax.rwth-aachen.de/archlinux/$repo/os/$arch',
+            'community': 'http://ftp.halifax.rwth-aachen.de/archlinux/$repo/os/$arch',
+        },
+    },
+    'aarch64': {
+        'repos': {
+            'core': 'http://mirror.archlinuxarm.org/$arch/$repo',
+            'extra': 'http://mirror.archlinuxarm.org/$arch/$repo',
+            'community': 'http://mirror.archlinuxarm.org/$arch/$repo',
+            'alarm': 'http://mirror.archlinuxarm.org/$arch/$repo',
+            'aur': 'http://mirror.archlinuxarm.org/$arch/$repo',
+        }
     },
 }
diff --git a/distro.py b/distro.py
index 8557215..f80be8d 100644
--- a/distro.py
+++ b/distro.py
@@ -32,7 +32,6 @@ class Repo:
     name: str
     url_template: str
     resolved_url: str
-    repo_name: str
     arch: str
     packages: dict[str, PackageInfo]
     options: dict[str, str]
@@ -43,11 +42,10 @@ class Repo:
         self.remote = not self.resolved_url.startswith('file://')
         # TODO
 
-    def __init__(self, name: str, url_template: str, arch: str, repo_name: str, options={}, scan=True):
+    def __init__(self, name: str, url_template: str, arch: str, options={}, scan=True):
         self.name = name
         self.url_template = url_template
         self.arch = arch
-        self.repo_name = repo_name
         self.options = deepcopy(options)
         if scan:
             self.scan()
@@ -86,3 +84,17 @@ class Distro:
             assert (repo.packages is not None)
             for package in repo.packages:
                 results[package.name] = package
+
+
+_base_distros: dict[str, Distro] = None
+
+
+def get_base_distros() -> dict[str, Distro]:
+    global _base_distros
+    if not _base_distros:
+        _distros: dict[str, Distro] = {}
+        for arch, distro_conf in BASE_DISTROS.items():
+            repos = {name: RepoInfo(url_template=url) for name, url in distro_conf['repos'].items()}
+            _distros[arch] = Distro(arch=arch, repo_infos=repos, scan=False)
+        _base_distros = _distros
+    return _base_distros
diff --git a/packages.py b/packages.py
index 9738ee2..45a6da7 100644
--- a/packages.py
+++ b/packages.py
@@ -354,7 +354,7 @@ def setup_dependencies_and_sources(package: Package, chroot: str, repo_dir: str
     makepkg_setup_args = [
         '--nobuild',
         '--holdver',
-        '--nodeps'
+        '--nodeps',
     ]
     if (package.mode == 'cross' and enable_crosscompile):
         logging.info('Setting up dependencies for cross-compilation')