feat: add docker support

Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine:3.20 AS build
+
+WORKDIR /app
+COPY . .
+
+RUN apk add --no-cache hugo=0.125.4-r3
+CMD ["hugo"]
+
+FROM nginx:1.21.3-alpine AS production
+
+COPY --from=build /app/public /usr/share/nginx/html

docker-compose.yaml

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+services:
+  web:
+    build: .
+    restart: unless-stopped
+    ports:
+      - 80:80