Add docker

Author: https://github.com/sedadas

server/Dockerfile

@@ -0,0 +1,33 @@
+FROM alpine:latest AS builder
+
+WORKDIR /usr/local/src
+COPY . .
+
+RUN apk add --no-cache \
+    protobuf \
+    protobuf-dev \
+    protoc \
+    make \
+    go \
+    libcap
+
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@latest &&\
+    go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest &&\ 
+    PATH="$PATH:$(go env GOPATH)/bin" make proto &&\
+    go build -o lunar-tear ./cmd/lunar-tear &&\
+    setcap cap_net_bind_service=+ep ./lunar-tear
+
+FROM alpine:latest
+
+WORKDIR /opt/lunar-tear
+
+RUN chown 1000:1000 /opt/lunar-tear
+
+USER 1000
+
+COPY --from=builder /usr/local/src/lunar-tear .
+
+COPY entrypoint.sh .
+
+ENTRYPOINT /opt/lunar-tear/entrypoint.sh
+