add br docker build

Signed-off-by: haojinming <[email protected]>

br/deployments/docker/Dockerfile

@@ -1,27 +1,10 @@
-# For loading data to TiDB
-FROM golang:1.16.4-buster as go-ycsb-builder
-WORKDIR /go/src/github.com/pingcap/
-RUN git clone https://github.com/pingcap/go-ycsb.git --depth=1 && \
-    cd go-ycsb && \
-    make
-
-# For operating minio S3 compatible storage
-FROM minio/mc as mc-builder
-
-FROM golang:1.16.4-buster
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    git \
-    curl \
-    vim \
-    less \
-    default-mysql-client \
-    && rm -rf /var/lib/apt/lists/*
-
-WORKDIR /go/src/github.com/pingcap/br
+FROM golang:1.18.0-alpine3.15 as builder
+RUN apk add --no-cache git make bash
+WORKDIR /go/src/github.com/tikv/migration/br
 COPY . .
+RUN make release
 
-COPY --from=go-ycsb-builder /go/src/github.com/pingcap/go-ycsb/bin/go-ycsb /go/bin/go-ycsb
-COPY --from=mc-builder /usr/bin/mc /usr/bin/mc
-
+FROM alpine:3.15
+RUN apk add --no-cache tzdata bash curl socat
+COPY --from=builder /go/src/github.com/tikv/migration/br/bin/tikv-br /usr/bin/
 ENTRYPOINT ["/bin/bash"]