task3 deployment

deploy/task3/docker-compose.yml

@@ -0,0 +1,19 @@
+version: '3'
+services:
+  backend2:
+    build:
+      dockerfile: ./task3-backend/Dockerfile
+      context: ../..
+    volumes:
+      - "/var/run/docker.sock:/var/run/docker.sock"
+      - "./postbox:/app/postbox"
+      - "../../keys/letter:/app/letter"
+    restart: unless-stopped
+    networks:
+      net:
+        ipv4_address: 10.103.204.3
+
+networks:
+  net:
+    external:
+      name: tasks-net

task3-backend/Dockerfile

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+FROM alpine as builder
+
+ENV GOPATH /root/go
+ENV PATH ${GOPATH}/bin:${PATH}
+
+RUN mkdir -p /app
+WORKDIR /app
+
+RUN apk add --no-cache go git curl gcc g++ make
+
+COPY . .
+RUN go build -o task3 github.com/mainnika/a-quest/task3-backend
+
+FROM alpine
+
+ENV GOPATH /root/go
+ENV PATH ${GOPATH}/bin:${PATH}
+
+RUN mkdir -p /app /app/postbox
+WORKDIR /app
+
+COPY --from=builder /app/task3 .
+COPY --from=builder /app/task3-backend/config config
+
+EXPOSE 8081
+EXPOSE 31337
+
+VOLUME /app/postbox
+
+CMD ["/app/task3"]