Add deployment

vigilcare-dashboard/Dockerfile

@@ -0,0 +1,21 @@
+FROM node:22-alpine AS build
+WORKDIR /src
+COPY package.json package-lock.json ./
+RUN npm ci
+COPY . .
+
+# Vite substitutes import.meta.env.VITE_* at build time — these must be
+# build arguments, not runtime environment variables.
+ARG VITE_API_URL
+ARG VITE_SHOW_OPS=false
+ENV VITE_API_URL=$VITE_API_URL
+ENV VITE_SHOW_OPS=$VITE_SHOW_OPS
+RUN npm run build
+
+FROM nginx:1.27-alpine AS runtime
+COPY --from=build /src/dist /usr/share/nginx/html
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80
+
+HEALTHCHECK --interval=30s --timeout=3s --retries=3 \
+  CMD wget -qO- http://localhost/ >/dev/null || exit 1