Add dummy server for testing

Dockerfile

@@ -8,24 +8,12 @@ COPY ./go.mod /app
 COPY ./go.sum /app
 
 RUN go build -o /app/main /app/src/main.go 
-RUN go build -o /app/cmd /app/src/cmd.go 
+RUN go build -o /app/cmd /app/src/cmd/cmd.go 
 
 
-FROM openjdk:$VERSION
-
-ENV MIN_MEM=512M
-ENV MAX_MEM=1G
-ENV STOP="stop"
-ENV JAR=server.jar
-ENV REGEX=""
+FROM debian
 
 COPY --from=builder /app/main /main
 COPY --from=builder /app/cmd /usr/local/bin/cmd
-
-EXPOSE 25565
-
-VOLUME [ "/server" ]
-
-WORKDIR /server
-
+EXPOSE 8081
 CMD [ "/main" ]