ci: adding dockerfile

Dockerfile

@@ -0,0 +1,24 @@
+FROM node:22-alpine AS builder
+
+# Install git (required for git dependencies)
+RUN apk add --no-cache git
+
+WORKDIR /app
+
+COPY package.json yarn.lock ./
+
+# Install dependencies but skip postinstall scripts (electron-builder deps not needed for web build)
+RUN yarn install --frozen-lockfile --ignore-scripts
+
+COPY . .
+
+RUN yarn electron-vite build
+
+FROM nginx:alpine
+
+COPY --from=builder /app/out/renderer /usr/share/nginx/html
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]
+