Dockerize honeypot using multi-stage Dockerfile (#1)

* Add Dockerfile

* Add instructions for running as docker container

.dockerignore

@@ -0,0 +1,6 @@
+payloads/
+.idea/
+.dockerignore
+.gitignore
+Dockerfile
+README.md

Dockerfile

@@ -0,0 +1,16 @@
+# Build environment
+FROM golang:1.17-alpine AS builder
+
+COPY . $GOPATH/src/github.com/Adikso/minecraft-log4j-honeypot
+WORKDIR $GOPATH/src/github.com/Adikso/minecraft-log4j-honeypot
+RUN go install .
+
+# Export binary only from builder environment
+FROM alpine:latest AS runner
+
+COPY --from=builder /go/bin/minecraft-log4j-honeypot /usr/local/bin/minecraft-log4j-honeypot
+
+VOLUME payloads
+EXPOSE 25565
+
+ENTRYPOINT ["/usr/local/bin/minecraft-log4j-honeypot"]

README.md

@@ -7,10 +7,19 @@ This honeypots runs fake Minecraft server (1.7.2 - 1.16.5 without snapshots) wai
 
 ## Running
 
-
+### Natively
 ```
 git clone https://github.com/Adikso/minecraft-log4j-honeypot.git
 cd minecraft-log4j-honeypot
 go build .
 ./minecraft-log4j-honeypot
 ```
+
+### Using docker
+```
+git clone https://github.com/Adikso/minecraft-log4j-honeypot.git
+cd minecraft-log4j-honeypot
+docker build -t minecraft-log4j-honeypot .
+mkdir payloads
+docker run --rm -it --mount type=bind,source="${PWD}/payloads",target=/payloads --user=`id -u` -p 25565:25565 minecraft-log4j-honeypot
+```