Solved msmtp bug and implemented healthchecks for it

roles/docker-compose/templates/services/msmtp_curl_test.yml.j2

@@ -0,0 +1,24 @@
+  
+{#
+  This health check ensures the test email is sent only once to prevent
+  hitting SMTP rate limits due to multiple health check executions.
+  The logic checks for a temporary file (/tmp/email_sent) to determine
+  if the email has already been sent. If the file exists, the email
+  is skipped, but the health check continues by verifying the HTTP service.
+  Refer to the conversation with ChatGPT (https://chatgpt.com/share/67898c3f-2c1c-800f-861c-47dcbe109135)
+  on January 16, 2025, for the background behind this complexity.
+
+  Additional it is also checked if the host is reachable
+#}
+
+    healthcheck:
+      test:
+        - CMD-SHELL
+        - >
+          if [ ! -f /tmp/email_sent ]; then
+            echo 'Subject: testmessage from {{domains[application_id]}}\n\nSUCCESSFULL' | msmtp -t {{test_email}} && touch /tmp/email_sent;
+          fi &&
+          curl -f http://localhost:80/ || exit 1
+      interval: 1m
+      timeout: 20s
+      retries: 3

roles/docker-friendica/templates/docker-compose.yml.j2

@@ -9,22 +9,9 @@ services:
       - data:/var/www/html
     ports:
       - "127.0.0.1:{{ports.localhost.http[application_id]}}:80"
-    healthcheck:
+
-      # This health check ensures the test email is sent only once to prevent 
+{% include 'roles/docker-compose/templates/services/msmtp_curl_test.yml.j2' %}
-      # hitting SMTP rate limits due to multiple health check executions.
+
-      # The logic checks for a temporary file (/tmp/email_sent) to determine 
-      # if the email has already been sent. If the file exists, the email 
-      # is skipped, but the health check continues by verifying the HTTP service.
-      # Refer to the conversation with ChatGPT (https://chatgpt.com/share/67898c3f-2c1c-800f-861c-47dcbe109135) 
-      # on January 16, 2025, for the background behind this complexity.
-      test:
-        [
-          "CMD-SHELL",
-          "(if [ ! -f /tmp/email_sent ]; then echo 'Subject: testmessage from {{domains[application_id]}}\n\nSUCCESSFULL' | msmtp -t {{test_email}} && touch /tmp/email_sent; fi && curl -f http://127.0.0.1:80) || exit 1"
-        ]
-      interval: 1m
-      timeout: 10s
-      retries: 3
 {% include 'templates/docker/container/networks.yml.j2' %}
 {% include 'templates/docker/container/depends-on-just-database.yml.j2' %}
 

roles/docker-wordpress/Administration.md

@@ -37,6 +37,6 @@ docker-compose exec -it application /bin/sh
 
 To test the email execute:
 ```bash
-echo "Test Email" | sendmail -v your-email@example.com
+docker-compose exec -it application /bin/sh -c 'echo "Test Email" | sendmail -v your-email@example.com'
 ```
 

roles/docker-wordpress/files/Dockerfile

@@ -6,7 +6,7 @@ RUN apt-get update && \
     rm -rf /var/lib/apt/lists/*
 
 # Copy the msmtp configuration into the container
-COPY msmtp.conf /etc/msmtp.conf
+COPY config/msmtprc.conf /etc/msmtprc
 
 # Copy the PHP configuration for uploads (and mail settings)
 COPY upload.ini $PHP_INI_DIR/conf.d/

roles/docker-wordpress/handlers/main.yml

@@ -1,8 +0,0 @@
----
-- name: rebuild wordpress container
-  command:
-    cmd: docker build --no-cache -t {{custom_wordpress_image}} .
-    chdir: "{{docker_compose.directories.instance}}"
-  environment:
-    COMPOSE_HTTP_TIMEOUT: 600
-    DOCKER_CLIENT_TIMEOUT: 600

roles/docker-wordpress/tasks/main.yml

@@ -17,25 +17,19 @@
   template:
     src: upload.ini.j2
     dest: "{{ docker_compose.directories.instance }}upload.ini"
-  notify: 
+  notify: docker compose project build and setup
-    - docker compose project setup
-    - rebuild wordpress container
 
-- name: "Transfering msmtp.conf to {{ docker_compose.directories.instance }}"
+- name: "Transfering msmtprc to {{ host_msmtp_conf }}"
   template:
     src: "{{ playbook_dir }}/roles/msmtp/templates/msmtprc.conf.j2"
-    dest: "{{ docker_compose.directories.instance }}msmtp.conf"
+    dest: "{{ host_msmtp_conf }}"
-  notify:
+  notify: docker compose project build and setup
-    - docker compose project setup
-    - rebuild wordpress container
 
 - name: "Transfering Dockerfile to {{ docker_compose.directories.instance }}"
   copy:
     src: Dockerfile
     dest: "{{ docker_compose.directories.instance }}Dockerfile"
-  notify:
+  notify: docker compose project build and setup
-    - docker compose project setup
-    - rebuild wordpress container
 
 - name: "copy docker-compose.yml and env file"
   include_tasks: copy-docker-compose-and-env.yml

roles/docker-wordpress/templates/docker-compose.yml.j2

@@ -12,11 +12,9 @@ services:
       - "127.0.0.1:{{ports.localhost.http[application_id]}}:80"
     volumes:
       - data:/var/www/html
-    healthcheck:
+
-      test: ["CMD", "curl", "-f", "http://localhost:80/"]
+{% include 'roles/docker-compose/templates/services/msmtp_curl_test.yml.j2' %}
-      interval: 1m
+
-      timeout: 10s
-      retries: 3
 {% include 'templates/docker/container/depends-on-just-database.yml.j2' %}
 {% include 'templates/docker/container/networks.yml.j2' %}
 

roles/docker-wordpress/vars/main.yml

@@ -2,4 +2,5 @@ application_id:  	          "wordpress"
 wordpress_max_upload_size:  "64M"
 database_type:              "mariadb"
 database_password:  	      "{{wordpress_database_password}}"
-custom_wordpress_image:     "custom_wordpress"
+custom_wordpress_image:     "custom_wordpress"
+host_msmtp_conf:            "{{docker_compose.directories.config}}msmtprc.conf"