refactor: improve logging system and add deployment fixes

- Enhance logging handlers (Console, DockerJson, File, JsonFile, MultiFile)
- Improve exception and line formatters
- Update logger initialization and processor management
- Add Ansible playbooks for staging 502 error troubleshooting
- Update deployment documentation
- Fix serializer and queue components
- Update error kernel and queued log handler

deployment/ansible/playbooks/check-entrypoint-execution.yml

@@ -0,0 +1,63 @@
+---
+- name: Check Entrypoint Script Execution
+  hosts: production
+  gather_facts: yes
+  become: no
+
+  tasks:
+    - name: Check when nginx container started
+      shell: |
+        cd ~/deployment/stacks/staging
+        docker compose ps staging-nginx --format "{{.Status}}" || echo "Container not running"
+      args:
+        executable: /bin/bash
+      register: container_status
+      ignore_errors: yes
+      failed_when: false
+
+    - name: Display container status
+      debug:
+        msg: "{{ container_status.stdout }}"
+
+    - name: Check entrypoint logs
+      shell: |
+        cd ~/deployment/stacks/staging
+        echo "=== Entrypoint logs (startup) ==="
+        docker compose logs staging-nginx 2>&1 | grep -E "(??|Fixing|PHP-FPM|upstream)" | head -20
+      args:
+        executable: /bin/bash
+      register: entrypoint_logs
+      ignore_errors: yes
+      failed_when: false
+
+    - name: Display entrypoint logs
+      debug:
+        msg: "{{ entrypoint_logs.stdout_lines }}"
+
+    - name: Check if sites-available/default is a volume mount
+      shell: |
+        cd ~/deployment/stacks/staging
+        docker inspect staging-nginx 2>&1 | grep -A 20 "Mounts" | grep "sites-available\|sites-enabled" || echo "No volume mounts for sites-available"
+      args:
+        executable: /bin/bash
+      register: volume_check
+      ignore_errors: yes
+      failed_when: false
+
+    - name: Display volume check
+      debug:
+        msg: "{{ volume_check.stdout_lines }}"
+
+    - name: Check when sites-available/default was last modified
+      shell: |
+        cd ~/deployment/stacks/staging
+        docker compose exec -T staging-nginx stat -c "%y" /etc/nginx/sites-available/default 2>&1 || echo "Could not get file stat"
+      args:
+        executable: /bin/bash
+      register: file_stat
+      ignore_errors: yes
+      failed_when: false
+
+    - name: Display file modification time
+      debug:
+        msg: "{{ file_stat.stdout_lines }}"