haproxy.cfg as docker config

defaults/main.yml

@@ -12,6 +12,7 @@ haproxy_docker_container: False
 haproxy_docker_version: '{{ haproxy_version }}.6'
 haproxy_docker_image: 'haproxytech/haproxy-debian:{{ haproxy_docker_version }}'
 haproxy_docker_compose_dir: /srv/haproxy_swarm
+haproxy_docker_mount_conf_file: False
 # Source volume for the socket
 haproxy_docker_socket_dir: /srv/haproxy_s
 haproxy_docker_restart_policy: 'on-failure'

templates/haproxy-docker-stack.yml.j2

@@ -4,15 +4,29 @@ networks:
   {{ haproxy_docker_overlay_network }}:
     external: true
 
+{% if not haproxy_docker_mount_conf_file %}
+configs:
+  haproxy_conf:
+    file: /etc/haproxy/haproxy.cfg
+{% endif %}
+
 services:
   haproxy:
     image: {{ haproxy_docker_image }}
     entrypoint: ["haproxy", "-sf", "350", "-x", "{{ haproxy_admin_socket }}", "-W", "-db", "-f", "/usr/local/etc/haproxy/haproxy.cfg", "-L", "local_haproxy"]
     volumes:
       - {{ haproxy_cert_dir }}:{{ haproxy_cert_dir }}:ro
-      - /etc/haproxy:/usr/local/etc/haproxy:ro
       - /var/run/docker.sock:/var/run/docker.sock
       - {{ haproxy_docker_socket_dir }}:{{ haproxy_admin_socket_dir }}
+{% if haproxy_docker_mount_conf_file %}
+      - /etc/haproxy:/usr/local/etc/haproxy:ro
+{% endif %}
+{% if not haproxy_docker_mount_conf_file %}
+    configs:
+      - source: haproxy_conf
+        target: /usr/local/etc/haproxy/haproxy.cfg
+        mode: 0444
+{% endif %}
     networks:
       - {{ haproxy_docker_overlay_network }}
     ports: