Add app

serving/kiosk-app/Dockerfile

@@ -0,0 +1,27 @@
+# syntax=docker/dockerfile:1
+#
+# Two-stage build: compile the Svelte SPA with Vite, then serve the static
+# bundle from a tiny nginx. The main serving-stack nginx reverse-proxies
+# /kiosk/ to this container (see ../docker-compose.yml + ../http/default.conf),
+# so this image only needs to serve the built assets at its own root.
+
+# ---- build stage ----
+FROM node:22-alpine AS build
+WORKDIR /app
+
+# Install deps first for layer caching. package-lock.json is committed, so use
+# `npm ci` for a reproducible, lockfile-exact install.
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY . .
+RUN npm run build        # -> /app/dist (base path /kiosk/)
+
+# ---- serve stage ----
+FROM nginx:stable-alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s \
+  CMD wget -qO- http://127.0.0.1/ >/dev/null 2>&1 || exit 1