Move files to submodule

files/40-max-user-watches.conf

@@ -0,0 +1,3 @@
+# increase open file limit
+fs.inotify.max_user_instances=8192
+fs.inotify.max_user_watches=1048576

tasks/docker_swarm.yml

@@ -0,0 +1,24 @@
+- name: check for swarm
+  shell:
+    cmd: docker info | grep Swarm
+  register: validate_swarm
+  check_mode: false
+  changed_when: false
+
+- name: init swarm
+  shell:
+    cmd: "docker swarm init || true "
+  when: validate_swarm.stdout.find('inactive') != -1
+
+- name: check for network first
+  shell:
+    cmd: docker network ls | grep proxy
+  register: validate_proxy
+  check_mode: false
+  changed_when: false
+  failed_when: false
+
+- name: create proxy network
+  shell:
+    cmd: "docker network create -d overlay --scope swarm proxy || true"
+  when: validate_proxy.stdout.find('swarm') == -1

tasks/main.yml

@@ -0,0 +1,9 @@
+- name: install docker packages
+  import_tasks: packages.yml
+
+- name: docker tweaks
+  import_tasks: tweaks.yml
+
+- name: init docker-swarm
+  tags: [docker_swarm]
+  import_tasks: docker_swarm.yml

tasks/packages.yml

@@ -0,0 +1,30 @@
+- name: Add Docker GPG apt Key
+  apt_key:
+    url: https://download.docker.com/linux/debian/gpg
+    state: present
+
+- name: Add Docker Repository
+  apt_repository:
+    repo: deb https://download.docker.com/linux/debian bullseye stable
+    state: present
+
+- name: install docker packages
+  tags: [apt]
+  apt:
+    autoremove: yes
+    update_cache: yes
+    cache_valid_time: 3600
+    state: present
+    name:
+      - docker-ce
+      - docker-ce-cli
+      - containerd.io
+      - docker-buildx-plugin
+      - docker-compose-plugin
+
+- name: start docker service
+  systemd:
+    daemon_reload: yes
+    state: started
+    enabled: yes
+    name: docker.service

tasks/tweaks.yml

@@ -0,0 +1,4 @@
+- name: limit max open files in containers
+  copy:
+    src: 40-max-user-watches.conf
+    dest: /etc/sysctl.d/40-max-user-watches.conf