Add a Dockerfile

.dockerignore

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+*.md
+*.sock
+.dockerignore
+Dockerfile
+LICENSE

Dockerfile

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+FROM golang:alpine AS build
+
+WORKDIR /app/
+
+COPY . .
+
+RUN go build -ldflags "-s -w" main.go
+
+FROM alpine:edge
+
+WORKDIR /app/
+
+COPY --from=build /app/main /app/http3-ytproxy
+
+CMD ./http3-ytproxy