me-web? skeleton: Avalonia 12 app, server, packaging and CI

The first screen (online or not, a Check button, every language with a
draft notice), the desktop and Android heads, the server's /api/info and
/api/ip, a release tool that builds deb, rpm, a Windows exe, macOS zips,
a signed APK and the server, and the Gitea workflows that run it. Rules
adapted from passolo; AGPL-3.0.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012CzABvBkbcFqoHdmi8b9WB

deploy/max/setup.sh

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+#!/bin/bash
+set -euo pipefail
+
+here="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+site=meweb.arasaka.software
+names=(meweb.arasaka.software v4.meweb.arasaka.software v6.meweb.arasaka.software)
+app=/var/www/$site
+backups=/var/backups/$site
+etc=/etc/meweb
+env=$etc/meweb.env
+unit=/etc/systemd/system/meweb.service
+sudoers=/etc/sudoers.d/gitea-runner
+acme=/root/.acme.sh/acme.sh
+cert=/root/.acme.sh/${site}_ecc/fullchain.cer
+
+[ "$(id -u)" = 0 ] || { echo "run as root"; exit 1; }
+
+id meweb >/dev/null 2>&1 || useradd --system --no-create-home --shell /usr/sbin/nologin meweb
+install -d -o gitea-runner -g gitea-runner -m 755 "$app" "$backups"
+install -d -o root -g meweb -m 750 "$etc"
+if [ ! -f "$env" ]; then
+  printf '%s\n' \
+    'ASPNETCORE_ENVIRONMENT=Production' \
+    'ASPNETCORE_URLS=http://127.0.0.1:5480' \
+    'DOTNET_PRINT_TELEMETRY_MESSAGE=false' \
+    'DOTNET_CLI_TELEMETRY_OPTOUT=1' > "$env"
+  chown root:meweb "$env"
+  chmod 640 "$env"
+  echo "wrote $env"
+fi
+
+install -m 644 "$here/meweb.service" "$unit"
+systemctl daemon-reload
+systemctl enable meweb.service >/dev/null 2>&1
+
+line="gitea-runner ALL=(root) NOPASSWD: /usr/bin/systemctl start meweb, /usr/bin/systemctl stop meweb, /usr/bin/systemctl restart meweb, /usr/bin/systemctl is-active meweb, /usr/bin/systemctl show meweb*, /usr/bin/systemctl status meweb*"
+if ! grep -qF "$line" "$sudoers"; then
+  cp "$sudoers" "$sudoers.new"
+  echo "$line" >> "$sudoers.new"
+  visudo -cf "$sudoers.new" >/dev/null
+  install -m 440 "$sudoers.new" "$sudoers"
+  rm -f "$sudoers.new"
+  echo "sudoers: meweb added for gitea-runner"
+fi
+
+if [ ! -f "$cert" ]; then
+  install -m 644 "$here/nginx/$site.http.conf" "/etc/nginx/sites-enabled/$site.conf"
+  nginx -t
+  systemctl reload nginx
+  args=()
+  for name in "${names[@]}"; do args+=(-d "$name"); done
+  "$acme" --issue --webroot /var/www/acme "${args[@]}" --keylength ec-256 --reloadcmd "systemctl reload nginx"
+fi
+
+install -m 644 "$here/nginx/$site.conf" "/etc/nginx/sites-enabled/$site.conf"
+nginx -t
+systemctl reload nginx
+
+if [ -x "$app/MeWeb.Server" ]; then
+  systemctl restart meweb
+  systemctl is-active meweb
+else
+  echo "no build in $app yet: the release workflow deploys it"
+fi
+echo "setup done"

deploy/meweb.service

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+[Unit]
+Description=me-web? server (meweb.arasaka.software)
+After=network-online.target mongod.service
+Wants=network-online.target
+
+[Service]
+User=meweb
+Group=meweb
+WorkingDirectory=/var/www/meweb.arasaka.software
+ExecStart=/var/www/meweb.arasaka.software/MeWeb.Server
+EnvironmentFile=/etc/meweb/meweb.env
+Restart=always
+RestartSec=5
+KillSignal=SIGINT
+SyslogIdentifier=meweb
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ReadOnlyPaths=/var/www/meweb.arasaka.software
+MemoryMax=512M
+
+[Install]
+WantedBy=multi-user.target

deploy/nginx/meweb.arasaka.software.conf

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+server {
+	listen 80;
+	listen [::]:80;
+	server_name meweb.arasaka.software v4.meweb.arasaka.software v6.meweb.arasaka.software;
+
+	location ^~ /.well-known/acme-challenge/ {
+		root /var/www/acme;
+		default_type "text/plain";
+		allow all;
+	}
+
+	location / {
+		return 301 https://$host$request_uri;
+	}
+}
+
+server {
+	listen 443 ssl;
+	listen 8444 ssl proxy_protocol;
+	listen [::]:443 ssl;
+	server_name meweb.arasaka.software v4.meweb.arasaka.software v6.meweb.arasaka.software;
+
+	ssl_certificate     /root/.acme.sh/meweb.arasaka.software_ecc/fullchain.cer;
+	ssl_certificate_key /root/.acme.sh/meweb.arasaka.software_ecc/meweb.arasaka.software.key;
+
+	add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload" always;
+	add_header Referrer-Policy "no-referrer" always;
+	add_header X-Content-Type-Options "nosniff" always;
+	add_header X-Frame-Options "DENY" always;
+
+	access_log /var/log/nginx/meweb.arasaka.software.access.log;
+	error_log  /var/log/nginx/meweb.arasaka.software.error.log;
+
+	client_max_body_size 128k;
+
+	location ^~ /.well-known/acme-challenge/ {
+		root /var/www/acme;
+		default_type "text/plain";
+		allow all;
+	}
+
+	location / {
+		proxy_pass         http://127.0.0.1:5480;
+		proxy_http_version 1.1;
+		proxy_set_header   Host $host;
+		proxy_set_header   X-Forwarded-For $remote_addr;
+		proxy_set_header   X-Forwarded-Proto https;
+		proxy_set_header   Connection "";
+	}
+}

deploy/nginx/meweb.arasaka.software.http.conf

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+server {
+	listen 80;
+	listen [::]:80;
+	server_name meweb.arasaka.software v4.meweb.arasaka.software v6.meweb.arasaka.software;
+
+	location ^~ /.well-known/acme-challenge/ {
+		root /var/www/acme;
+		default_type "text/plain";
+		allow all;
+	}
+
+	location / {
+		return 301 https://$host$request_uri;
+	}
+}