feat(bootstrap): use configurable mirror and write proper sources.list

roles/bootstrap/tasks/debian.yml

@@ -31,10 +31,30 @@
     - name: Install Debian base system
       ansible.builtin.command: >-
         debootstrap --include={{ bootstrap_debian_base_csv }}
-        {{ bootstrap_debian_release }} /mnt https://deb.debian.org/debian/
+        {{ bootstrap_debian_release }} /mnt {{ system_cfg.mirror }}
       register: bootstrap_debian_base_result
       changed_when: bootstrap_debian_base_result.rc == 0
 
+    - name: Write bootstrap sources.list
+      ansible.builtin.template:
+        src: debian.sources.list.j2
+        dest: /mnt/etc/apt/sources.list
+        mode: "0644"
+
+    - name: Configure apt performance tuning
+      ansible.builtin.copy:
+        dest: /mnt/etc/apt/apt.conf.d/99performance
+        content: |
+          Acquire::Retries "3";
+          Acquire::http::Pipeline-Depth "10";
+          APT::Install-Recommends "false";
+        mode: "0644"
+
+    - name: Update package lists
+      ansible.builtin.command: "{{ chroot_command }} apt update"
+      register: bootstrap_debian_update_result
+      changed_when: bootstrap_debian_update_result.rc == 0
+
     - name: Install extra packages
       when: bootstrap_debian_extra_args | trim | length > 0
       ansible.builtin.command: "{{ chroot_command }} apt install -y {{ bootstrap_debian_extra_args }}"