add(infra): docker build

Dockerfile

@@ -0,0 +1,30 @@
+FROM golang:1.24-alpine AS builder
+
+RUN apk add --no-cache git build-base sqlite-dev
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+
+RUN go build -o maot-shortner ./cmd/maot-shortner
+
+FROM alpine:latest
+
+RUN apk add --no-cache ca-certificates sqlite-libs
+
+WORKDIR /app
+
+COPY --from=builder /app/maot-shortner .
+
+COPY --from=builder /app/web/static ./web/static
+
+RUN mkdir -p /app/data
+
+EXPOSE 3032
+ENV DATABASE_PATH=/app/data/shortener.db
+
+VOLUME ["/app/data"]
+
+CMD ["./maot-shortner"]