Add Dockerfile to build docker image

.dockerignore

@@ -0,0 +1 @@
+bin/

Dockerfile

@@ -0,0 +1,24 @@
+FROM golang:1.17-alpine AS Build
+
+COPY . /code
+WORKDIR /code
+
+RUN go env -w GO111MODULE="on" \
+    && go build -o easyhttpd main.go
+
+FROM alpine:3.14
+
+COPY --from=Build /code/easyhttpd /usr/local/bin/easyhttpd
+
+RUN chmod +x /usr/local/bin/easyhttpd \
+    && addgroup www \
+    && adduser -D -H -G www http \
+    && mkdir -p /srv/www \
+    && chown -R http.www /srv/www
+
+USER http
+
+EXPOSE 8008
+
+ENTRYPOINT ["easyhttpd"]
+CMD ["-r", "/srv/www"]

README.md

@@ -26,4 +26,14 @@ easyhttpd.exe -r ./ -p :8888
 - [x]  run cmd open
 - [x]  file read and write
 - [x]  host ip address
-- [x]  multi platform cross compilation
+- [x]  multi platform cross compilation
+
+## Docker镜像
+
+### 构建容器镜像
+
+`docker image build -t <namespace>/easyhttpd:<tag> .`
+
+### 使用容器运行
+
+`docker container run -t -v <local_html_path>:/srv/www -p 8008:8008 <namespace>/easyhttpd:<tag>`