Golang application freezes when starting on Docker?

Question

go

Everything is going well, but when you start the application just hangs without outputting anything to the console, what could be?

FROM golang:1.11.9-alpine

RUN apk update && apk upgrade && \
    apk add --no-cache bash git

RUN mkdir -p /go/src/app

WORKDIR /go/src/app

COPY . /go/src/app

RUN mkdir -p /etc/futcamp/
RUN mkdir -p /var/log/futcamp/
COPY ./router.conf /etc/futcamp/

RUN go get

RUN go install

CMD ["app"]

EXPOSE 8080

Answer 1

Run the container from the second console docker exec -it <containername> sh
And start poking around in it. In particular, try in a similar way by calling app to try to start the application. Perhaps the executable flag is not set, or you need to run it like this: ./app
Notes on the dockerfile:

RUN commands, if possible, should be blinded, for example: RUN go get && go installThis way you will reduce the number of layers in your image