Update Dockerfile

changed port to secret

Author: PressFToCode

Dockerfile

@@ -2,5 +2,5 @@ FROM golang:alpine
 WORKDIR /chto-tam-po-peresdacham
 COPY . .
 RUN go mod download
-EXPOSE 8081
+EXPOSE ${{ secrets.PORT }}
 ENTRYPOINT ["go", "run", "./cmd/main.go"]