From c2295c49db0268f5cb13878ca0a3cf720504a50f Mon Sep 17 00:00:00 2001
From: Homelab Cursor <homelab@orbitalo.net>
Date: Sun, 28 Jun 2026 18:38:43 +0200
Subject: [PATCH] Arakava CT101: WordPress-Docker dauerhaft tunen (Phase 1).

Compose, Apache MPM und MySQL my.cnf versionieren; mem_limits, InnoDB 512M und CT-RAM 6 GB gegen Worker-Stau.
---
 arakava-news/README.md                      | 18 ++++++++++
 arakava-news/docker/apache/mpm_prefork.conf |  8 +++++
 arakava-news/docker/deploy.sh               | 16 +++++++++
 arakava-news/docker/docker-compose.yml      | 37 +++++++++++++++++++++
 arakava-news/docker/mysql/my.cnf            |  5 +++
 5 files changed, 84 insertions(+)
 create mode 100644 arakava-news/docker/apache/mpm_prefork.conf
 create mode 100755 arakava-news/docker/deploy.sh
 create mode 100644 arakava-news/docker/docker-compose.yml
 create mode 100644 arakava-news/docker/mysql/my.cnf

diff --git a/arakava-news/README.md b/arakava-news/README.md
index b8d8f5e02..38df0f90d 100644
--- a/arakava-news/README.md
+++ b/arakava-news/README.md
@@ -26,3 +26,21 @@ Manuelle Projektdoku fuer dauerhafte Hinweise, die **nicht** in die auto-generie
 - Das alte `C`-Symbol von `Corona-Transition` wird fuer neue Beitraege nicht mehr verwendet.
 - Fuer `Norbert Haering` wurde ein neues WordPress-Medium hinterlegt und dem Feed zugeordnet.
 - Ein Test-/Live-Post wurde nach der Umstellung erfolgreich auf WordPress veroeffentlicht.
+
+## Docker CT101 (wordpress-v2)
+
+Versionierte Compose + Tuning unter `docker/`:
+
+| Datei | Zweck |
+|-------|-------|
+| `docker/docker-compose.yml` | Stack + mem_limit (app 2g, mysql 1g) |
+| `docker/apache/mpm_prefork.conf` | Apache Worker-Limit |
+| `docker/mysql/my.cnf` | InnoDB buffer 512M, max_connections 50 |
+| `docker/deploy.sh` | Deploy nach `/opt/wordpress/` |
+
+CT-RAM: **6 GB** (Host pve-hetzner). Deploy:
+
+```bash
+cd arakava-news/docker && ./deploy.sh
+# oder manuell auf hetzner: pct set 101 -memory 6144
+```
diff --git a/arakava-news/docker/apache/mpm_prefork.conf b/arakava-news/docker/apache/mpm_prefork.conf
new file mode 100644
index 000000000..a9bd91087
--- /dev/null
+++ b/arakava-news/docker/apache/mpm_prefork.conf
@@ -0,0 +1,8 @@
+# CT101 Arakava — Docker mem_limit 2g, MySQL separat 1g
+<IfModule mpm_prefork_module>
+    StartServers             3
+    MinSpareServers          2
+    MaxSpareServers          6
+    MaxRequestWorkers        14
+    MaxConnectionsPerChild   500
+</IfModule>
diff --git a/arakava-news/docker/deploy.sh b/arakava-news/docker/deploy.sh
new file mode 100755
index 000000000..72e855f26
--- /dev/null
+++ b/arakava-news/docker/deploy.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+# Deploy Docker-Stack nach CT101 /opt/wordpress
+set -euo pipefail
+SRC="$(cd "$(dirname "$0")" && pwd)"
+HOST="${1:-pve-hetzner}"
+echo "Deploy von $SRC nach CT101 via $HOST"
+ssh "$HOST" "mkdir -p /opt/wordpress/apache /opt/wordpress/mysql && rm -rf /opt/wordpress/mysql/my.cnf"
+ssh "$HOST" "pct exec 101 -- mkdir -p /opt/wordpress/apache /opt/wordpress/mysql && rm -rf /opt/wordpress/mysql/my.cnf 2>/dev/null || true"
+scp "$SRC/docker-compose.yml" "$HOST:/tmp/wp-compose.yml"
+scp "$SRC/apache/mpm_prefork.conf" "$HOST:/tmp/mpm_prefork.conf"
+scp "$SRC/mysql/my.cnf" "$HOST:/tmp/my.cnf"
+ssh "$HOST" "pct push 101 /tmp/wp-compose.yml /opt/wordpress/docker-compose.yml && \
+  pct push 101 /tmp/mpm_prefork.conf /opt/wordpress/apache/mpm_prefork.conf && \
+  pct push 101 /tmp/my.cnf /opt/wordpress/mysql/my.cnf && \
+  pct exec 101 -- bash -c 'cd /opt/wordpress && docker compose up -d'"
+echo "OK — pruefen: pct exec 101 -- docker stats --no-stream"
diff --git a/arakava-news/docker/docker-compose.yml b/arakava-news/docker/docker-compose.yml
new file mode 100644
index 000000000..7abf9f9e5
--- /dev/null
+++ b/arakava-news/docker/docker-compose.yml
@@ -0,0 +1,37 @@
+# CT101 wordpress-v2 — Quelle der Wahrheit (Deploy: /opt/wordpress/)
+services:
+  mysql:
+    image: mysql:8.0
+    container_name: wordpress-mysql
+    restart: always
+    mem_limit: 1g
+    environment:
+      MYSQL_ROOT_PASSWORD: astral66
+      MYSQL_DATABASE: wordpress
+      MYSQL_USER: wordpress
+      MYSQL_PASSWORD: astral66
+    volumes:
+      - mysql_data:/var/lib/mysql
+      - ./mysql/my.cnf:/etc/mysql/conf.d/zz-custom.cnf:ro
+
+  wordpress:
+    image: wordpress:6.7-php8.2-apache
+    container_name: wordpress-app
+    restart: always
+    mem_limit: 2g
+    depends_on:
+      - mysql
+    ports:
+      - "80:80"
+    environment:
+      WORDPRESS_DB_HOST: mysql
+      WORDPRESS_DB_NAME: wordpress
+      WORDPRESS_DB_USER: wordpress
+      WORDPRESS_DB_PASSWORD: astral66
+    volumes:
+      - wp_data:/var/www/html
+      - ./apache/mpm_prefork.conf:/etc/apache2/mods-enabled/mpm_prefork.conf:ro
+
+volumes:
+  mysql_data:
+  wp_data:
diff --git a/arakava-news/docker/mysql/my.cnf b/arakava-news/docker/mysql/my.cnf
new file mode 100644
index 000000000..5df07ddd5
--- /dev/null
+++ b/arakava-news/docker/mysql/my.cnf
@@ -0,0 +1,5 @@
+[mysqld]
+# DB ~212 MB (2026-06) — ganzer Datensatz passt in Buffer
+innodb_buffer_pool_size = 512M
+innodb_buffer_pool_instances = 1
+max_connections = 50