feat: added healthcheck to outline (#469)

* feat: added healthcheck to outline

* fix: remove redundant task

* fix: removed redundant Dockerfile thanks to outline patch

* fix: outline did not see .env file

* feat: define volume path

* fix: docker whined about syntax

* fix: docker image inconcistencies

* fix: confused ports

ansible/roles/docker/tasks/compose-up.yml

@@ -1,4 +1,8 @@
 ---
+# Possible variables which can be set to change the behaviour of these tasks:
+# - project_source (required): the path to the directory the compose file is in
+# - remove_images: whether to remove and rebuild all used images while composing up.
+#                  Leave unset to keep the images, otherwise use "local" or "all"
 
 - name: "Check if 'project_source' is defined"
   ansible.builtin.fail:
@@ -21,6 +25,7 @@
   community.docker.docker_compose_v2:
     project_src: "{{ project_source }}"
     state: "absent"
+    remove_images: "{{ remove_images | default(omit) }}" # NOTE: can give the warning that nothing is to be removed, if nothing exists yet (and thus expected)
 
 - name: "Create and start services"
   community.docker.docker_compose_v2:
@@ -36,7 +41,7 @@
     project_src: "{{ project_source }}"
   register: "output"
 
-- name: "Assert that all services properly started"
+- name: "Assert that all services properly started, and that the docker compose file is idempotent"
   ansible.builtin.assert:
     that: "not output.changed"
 
@@ -69,10 +74,12 @@
       - "output.containers | selectattr('Name', 'equalto', item) | map(attribute='State') | list | first == 'exited'"
   loop: "{{ docker_compose_service_names }}"
 
-- name: "Restart services"
+- name: "Restart services and ensure they are healhty"
   community.docker.docker_compose_v2:
     project_src: "{{ project_source }}"
     state: "restarted"
+    wait: true
+    wait_timeout: 300
   register: "output"
 
 # - name: Show results

ansible/roles/outline/tasks/main.yml

@@ -45,10 +45,10 @@
       mode: "0600"
     notify: "trigger outline migration"
 
-  - name: "Create outline 'docker.env' file"
+  - name: "Create outline '.env' file"
     ansible.builtin.template:
-      src: "docker.env.j2"
-      dest: "{{ outline_config.project_source }}/docker.env"
+      src: ".env.j2"
+      dest: "{{ outline_config.project_source }}/.env"
       owner: "outline"
       group: "outline"
       mode: "0600"
@@ -76,7 +76,6 @@
       path: "{{ outline_config.project_source }}/.MIGRATION_PENDING"
       state: "absent"
 
-
 - name: "Docker compose"
   ansible.builtin.include_tasks: "../docker/tasks/compose-up.yml"
   vars:

ansible/roles/outline/templates/docker-compose.yml.j2

@@ -3,12 +3,21 @@
 services:
 
   outline:
+    container_name: outline
     image: outlinewiki/outline:{{ outline_config.version }}
-    restart: unless-stopped
-    env_file: ./docker.env
-    #    ports:
-    #      - "4568:3000"
-    network_mode: host # TODO replace this
+    env_file: .env
+    restart: always
+    network_mode: host # TODO replace this once postgres has been dockerized
+    # ports:
+    #   - "4568:3000"
+    healthcheck:
+      test: |
+        wget -qO- http://localhost:${PORT}/_health | grep -q OK \
+        && wget -qO- https://hc-ping.com/{{ secret_healthchecks_io.ping_key }}/outline \
+        || exit 1
+      interval: 5m
+      start_period: 30s
+      start_interval: 10s
     volumes:
       - storage-data:/var/lib/outline/data
         #    depends_on:

ansible/roles/outline/vars/main.yml

@@ -2,4 +2,4 @@
 
 outline_config:
   project_source: "/var/www/outline/outline"
-  version: "0.78.0"
+  version: "0.79.0" # Git tag