add bridge proxy service

bridge-proxy/Dockerfile

@@ -0,0 +1,12 @@
+FROM golang:1.26-alpine AS builder
+WORKDIR /src
+COPY go.mod ./
+COPY *.go ./
+RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /bridge-proxy .
+
+FROM alpine:3.21
+RUN apk add --no-cache ca-certificates tzdata
+COPY --from=builder /bridge-proxy /usr/local/bin/bridge-proxy
+ENV ADDR=:8080
+EXPOSE 8080
+ENTRYPOINT ["bridge-proxy"]