deploy/Caddyfile

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+# Serves src/ directly — no Node process needed, and Caddy gets a real
+# certificate automatically, which the app requires away from localhost:
+# WebCodecs (fast export) and IndexedDB (project saving) are secure-context
+# only, so plain http:// on a LAN address silently degrades both.
+#
+#   sudo caddy run --config deploy/Caddyfile
+#
+# Replace the site address with your hostname. For a purely local install use
+# `localhost` and Caddy will install its own trusted certificate.
+
+motionity.example.com {
+	root * /opt/motionity/src
+	file_server
+
+	encode zstd gzip
+
+	@static {
+		path *.js *.css *.svg *.png *.jpg *.jpeg *.gif *.webp *.woff2 *.woff *.mp3 *.wav *.mp4 *.webm
+	}
+	header @static Cache-Control "public, max-age=604800"
+	header /index.html Cache-Control "no-cache"
+
+	header {
+		X-Content-Type-Options nosniff
+		Referrer-Policy no-referrer
+	}
+}

deploy/motionity.service

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+; Bare-metal unit for the built-in Node server.
+;
+; Install:
+;   sudo useradd --system --home /opt/motionity --shell /usr/sbin/nologin motionity
+;   sudo cp -r . /opt/motionity && sudo chown -R motionity: /opt/motionity
+;   sudo -u motionity node /opt/motionity/scripts/vendor.mjs
+;   sudo cp deploy/motionity.service /etc/systemd/system/
+;   sudo systemctl enable --now motionity
+;
+; Binds to loopback by default. To serve other machines, put a TLS reverse
+; proxy in front (deploy/nginx.conf or deploy/Caddyfile) — WebCodecs and
+; IndexedDB are unavailable over plain http:// on a non-localhost origin.
+
+[Unit]
+Description=Motionity static server
+After=network.target
+
+[Service]
+Type=simple
+User=motionity
+Group=motionity
+WorkingDirectory=/opt/motionity
+Environment=HOST=127.0.0.1
+Environment=PORT=8080
+ExecStart=/usr/bin/node /opt/motionity/scripts/server.cjs
+Restart=on-failure
+RestartSec=2
+
+# The process only ever reads static files.
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectControlGroups=true
+RestrictAddressFamilies=AF_INET AF_INET6
+RestrictNamespaces=true
+MemoryDenyWriteExecute=false
+LockPersonality=true
+
+[Install]
+WantedBy=multi-user.target

deploy/nginx.conf

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+# Serves src/ directly. Drop into /etc/nginx/sites-available/motionity and
+# point ssl_certificate at your own files.
+#
+# TLS is not decoration here: WebCodecs (the fast exporter) and IndexedDB
+# (project saving) are secure-context only, so the app loses both when reached
+# over plain http:// on anything other than localhost.
+
+server {
+    listen 80;
+    listen [::]:80;
+    server_name motionity.example.com;
+    return 301 https://$host$request_uri;
+}
+
+server {
+    listen 443 ssl;
+    listen [::]:443 ssl;
+    http2 on;
+    server_name motionity.example.com;
+
+    ssl_certificate     /etc/letsencrypt/live/motionity.example.com/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/motionity.example.com/privkey.pem;
+
+    root /opt/motionity/src;
+    index index.html;
+
+    # The audio and video panels seek, which needs byte ranges (on by default).
+    # Large media should not be buffered through gzip.
+    gzip on;
+    gzip_types text/css text/javascript application/javascript application/json image/svg+xml;
+    gzip_min_length 1024;
+
+    add_header X-Content-Type-Options nosniff always;
+    add_header Referrer-Policy no-referrer always;
+
+    location = /index.html {
+        add_header Cache-Control "no-cache" always;
+    }
+
+    location ~* \.(js|css|svg|png|jpe?g|gif|webp|woff2?|mp3|wav|mp4|webm)$ {
+        add_header Cache-Control "public, max-age=604800" always;
+    }
+
+    location / {
+        try_files $uri $uri/ =404;
+    }
+}