Add Dockerfile and docker-compose.yml

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang:alpine AS builder
+
+WORKDIR /usr/src/app
+
+COPY . .
+RUN apk add make openssh
+RUN make build
+
+
+FROM alpine
+
+RUN apk add openssh
+RUN mkdir /root/.ssh
+WORKDIR /root/.ssh
+RUN ssh-keygen -t rsa -C "chatkey" -f id_rsa
+
+WORKDIR /usr/local/bin
+
+COPY --from=builder /usr/src/app/ssh-chat .
+RUN chmod +x ssh-chat
+CMD ["/usr/local/bin/ssh-chat"]

docker-compose.yml

@@ -0,0 +1,7 @@
+version: '3'
+services:
+  app:
+    build: .
+    ports:
+        - 2022:2022
+    restart: always