add Dockerfile and docker-compose.yml

.dockerignore

@@ -0,0 +1,6 @@
+node_modules
+dist
+.git
+.claude
+npm-debug.log*
+Dockerfile*

Dockerfile

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+# syntax=docker/dockerfile:1
+
+FROM node:20-alpine AS builder
+WORKDIR /app
+
+COPY package.json package-lock.json ./
+RUN npm ci
+
+COPY . .
+RUN npm run build
+
+FROM nginx:1.27-alpine
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]

docker-compose.yml

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+services:
+  dronecan-webtools:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: dronecan-webtools:latest
+    container_name: dronecan-webtools
+    ports:
+      - "8080:80"
+    restart: unless-stopped