Fix: serversideup-konform - Port 8080, /etc/entrypoint.d/

Nach Dokumentation recherchiert:
- Kein ENTRYPOINT override (serversideup hat eigenen)
- Scripts nach /etc/entrypoint.d/ mit 755
- Port 8080 statt 80
- Healthcheck auf /healthcheck Endpoint
- USER www-data am Ende (serversideup Standard)

Quelle: serversideup.net/open-source/docker-php/docs

🤖 Generated with Claude Code

entrypoint.d/10-create-env.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+# Erstellt .env aus Docker Environment Variables
+# Numerisches Prefix 10- = frueh ausfuehren
+
+ENV_FILE="/var/www/html/.env"
+
+if [ ! -f "$ENV_FILE" ]; then
+    cat > "$ENV_FILE" << EOF
+WP_ENV=${WP_ENV:-production}
+WP_HOME=${WP_HOME}
+WP_SITEURL=${WP_SITEURL}
+DB_NAME=${DB_NAME}
+DB_USER=${DB_USER}
+DB_PASSWORD=${DB_PASSWORD}
+DB_HOST=${DB_HOST}
+WP_REDIS_HOST=${WP_REDIS_HOST:-redis}
+AUTH_KEY=${AUTH_KEY}
+SECURE_AUTH_KEY=${SECURE_AUTH_KEY}
+LOGGED_IN_KEY=${LOGGED_IN_KEY}
+NONCE_KEY=${NONCE_KEY}
+AUTH_SALT=${AUTH_SALT}
+SECURE_AUTH_SALT=${SECURE_AUTH_SALT}
+LOGGED_IN_SALT=${LOGGED_IN_SALT}
+NONCE_SALT=${NONCE_SALT}
+EOF
+    echo "[entrypoint] .env created"
+fi