init

.env.example

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+# Copy to .env, then fill in real secrets:  cp .env.example .env && chmod 600 .env
+# Generate good passwords with:  openssl rand -hex 24
+
+# Host-side loopback port nginx will proxy to (must match the upstream in the nginx conf)
+WP_HOST_PORT=18080
+
+WP_DB_NAME=wordpress
+WP_DB_USER=wp_user
+WP_DB_PASSWORD=change-me
+MARIADB_ROOT_PASSWORD=change-me-too
+
+# Only change before the very first start
+WP_TABLE_PREFIX=wp_

docker-compose.yml

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+# WordPress + MariaDB for Podman (rootless-friendly)
+# Used with:  podman-compose up -d   (or: podman compose up -d)
+#
+# WordPress is published ONLY on 127.0.0.1 -- the host's nginx is the public face.
+# The database is never published at all; it lives on a private network.
+
+name: wp_viossa_net
+
+services:
+  db:
+    image: docker.io/library/mariadb:11.4
+    container_name: wp_viossa_net_db
+    restart: always
+    environment:
+      MARIADB_DATABASE: ${WP_DB_NAME}
+      MARIADB_USER: ${WP_DB_USER}
+      MARIADB_PASSWORD: ${WP_DB_PASSWORD}
+      MARIADB_ROOT_PASSWORD: ${MARIADB_ROOT_PASSWORD}
+      MARIADB_AUTO_UPGRADE: "1"
+    volumes:
+      - db_data:/var/lib/mysql
+    networks:
+      - backend
+    healthcheck:
+      test: ["CMD", "healthcheck.sh", "--connect", "--innodb_initialized"]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+      start_period: 30s
+
+  wordpress:
+    image: docker.io/library/wordpress:6-php8.3-apache
+    container_name: wp_viossa_net_app
+    restart: always
+    depends_on:
+      db:
+        condition: service_healthy
+    ports:
+      # Loopback only. Change WP_HOST_PORT in .env if it collides with something else.
+      - "127.0.0.1:${WP_HOST_PORT:-18080}:80"
+    environment:
+      WORDPRESS_DB_HOST: db:3306
+      WORDPRESS_DB_NAME: ${WP_DB_NAME}
+      WORDPRESS_DB_USER: ${WP_DB_USER}
+      WORDPRESS_DB_PASSWORD: ${WP_DB_PASSWORD}
+      WORDPRESS_TABLE_PREFIX: ${WP_TABLE_PREFIX:-wp_}
+      # NOTE: this is only written into wp-config.php the FIRST time the container
+      # starts with an empty wp_data volume. "$$" is compose-escaping for a literal "$".
+      WORDPRESS_CONFIG_EXTRA: |
+        if (isset($$_SERVER['HTTP_X_FORWARDED_PROTO']) && $$_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https') {
+            $$_SERVER['HTTPS'] = 'on';
+        }
+        define('FORCE_SSL_ADMIN', true);
+        define('DISALLOW_FILE_EDIT', true);
+    volumes:
+      - wp_data:/var/www/html
+      # :ro = read-only, :Z = private SELinux label (needed on Fedora/RHEL, harmless elsewhere)
+      - ./php/uploads.ini:/usr/local/etc/php/conf.d/uploads.ini:ro,Z
+    networks:
+      - backend
+
+networks:
+  backend:
+
+volumes:
+  db_data:
+    name: wp_viossa_net_db_data
+  wp_data:
+    name: wp_viossa_net_wp_data

uploads.ini

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+; Mounted into the wordpress container at /usr/local/etc/php/conf.d/uploads.ini
+; Keep upload_max_filesize / post_max_size <= client_max_body_size in nginx.
+file_uploads = On
+upload_max_filesize = 64M
+post_max_size = 64M
+memory_limit = 256M
+max_execution_time = 300
+max_input_vars = 3000

wp.viossa.net.conf

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+# /etc/nginx/conf.d/wp.viossa.net.conf
+# (or /etc/nginx/sites-available/wp.viossa.net + symlink into sites-enabled)
+#
+# Host nginx -> 127.0.0.1:18080 (WordPress container). Names are prefixed
+# "wp_viossa_net" so they can't collide with the other sites on this box.
+# This file must be included inside http { } (conf.d / sites-enabled both are).
+
+upstream wp_viossa_net {
+    server 127.0.0.1:18080;      # keep in sync with WP_HOST_PORT in .env
+    keepalive 16;
+}
+
+# Brute-force brake for the login page (10 requests/minute/IP, small burst)
+limit_req_zone $binary_remote_addr zone=wp_viossa_net_login:10m rate=10r/m;
+
+# ---------- HTTP: ACME challenge + redirect ----------
+server {
+    listen 80;
+    listen [::]:80;
+    server_name wp.viossa.net;
+
+    location /.well-known/acme-challenge/ {
+        root /var/www/certbot;
+    }
+
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+# ---------- HTTPS ----------
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;                    # nginx >= 1.25.1. On older nginx, delete this line
+                                 # and use: listen 443 ssl http2;
+    server_name wp.viossa.net;
+
+    ssl_certificate     /etc/letsencrypt/live/wp.viossa.net/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/wp.viossa.net/privkey.pem;
+    ssl_protocols TLSv1.2 TLSv1.3;
+    ssl_session_cache shared:SSL_wp_viossa_net:10m;
+    ssl_session_timeout 1d;
+    ssl_session_tickets off;
+
+    access_log /var/log/nginx/wp.viossa.net.access.log;
+    error_log  /var/log/nginx/wp.viossa.net.error.log;
+
+    client_max_body_size 64M;    # match php/uploads.ini
+
+    add_header Strict-Transport-Security "max-age=31536000" always;
+    add_header X-Content-Type-Options "nosniff" always;
+    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
+
+    # Proxy settings at server level are inherited by every location below
+    # that doesn't define its own proxy_set_header lines.
+    proxy_http_version 1.1;
+    proxy_set_header Connection        "";
+    proxy_set_header Host              $host;
+    proxy_set_header X-Real-IP         $remote_addr;
+    proxy_set_header X-Forwarded-For   $proxy_add_x_forwarded_for;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_set_header X-Forwarded-Host  $host;
+    proxy_read_timeout 120s;
+    proxy_send_timeout 120s;
+
+    # Don't expose dotfiles (but allow /.well-known/)
+    location ~ /\.(?!well-known) {
+        deny all;
+    }
+
+    # XML-RPC is a common brute-force/DDoS target; remove this block
+    # if you need the mobile app or Jetpack.
+    location = /xmlrpc.php {
+        return 403;
+    }
+
+    location = /wp-login.php {
+        limit_req zone=wp_viossa_net_login burst=5 nodelay;
+        limit_req_status 429;
+        proxy_pass http://wp_viossa_net;
+    }
+
+    location / {
+        proxy_pass http://wp_viossa_net;
+    }
+}