hello-world-go-heroku

testing heroku deploy container

Testing with basic golang app from here

ref https://medium.com/travis-on-docker/how-to-run-dockerized-apps-on-heroku-and-its-pretty-great-76e07e610e22

todo use docker to deploy

Create main.go & Dockerfile with content

see files main.go and Dockerfile in this dir

docker build

This assumes that you have aready installed docker.

$  docker build -t tricia/goheroku

Test locally

$ docker run  -d -it -p 8888:8080 tricia/goheroku -name goheroku

deploy using heroku cli (already installed)

This assumes that you have aready installed heroku cli.

1. heroku login login to heroku
2. heroku create create an heroku app
3. heroku push push to heroku registry
4. heroku release release to web
5. load a browser, appname.herokuapp.com

Login to heroku

tricia@acerubuntu1804:~/ecq/docker-ecq2020/hello-world-go-heroku$ heroku login -i
heroku: Enter your login credentials
Email: [email protected]
Password: *********
Logged in as [email protected]

Create an heroku app

tricia@acerubuntu1804:~/ecq/docker-ecq2020/hello-world-go-heroku$ heroku create
Creating app... done, ⬢ blooming-anchorage-54363
https://blooming-anchorage-54363.herokuapp.com/ | https://git.heroku.com/blooming-anchorage-54363.git

heroku push

tricia@acerubuntu1804:~/ecq/docker-ecq2020/hello-world-go-heroku$ heroku container:push web --app blooming-anchorage-54363
=== Building web (/home/tricia/ecq/docker-ecq2020/hello-world-go-heroku/Dockerfile)
Sending build context to Docker daemon  3.072kB
Step 1/7 : FROM golang:alpine AS build-env
 ---> 51e47ee4db58
Step 2/7 : ADD . /src
 ---> b9946e07fb32
Step 3/7 : RUN cd /src && go build -o goapp
 ---> Running in 62dc7a5b4a4d
Removing intermediate container 62dc7a5b4a4d
 ---> e7088c6b2d6c
Step 4/7 : FROM alpine
 ---> e7d92cdc71fe
Step 5/7 : WORKDIR /app
 ---> Using cache
 ---> b80a3bd6bd74
Step 6/7 : COPY --from=build-env /src/goapp /app/
 ---> 67eeb89d64ae
Step 7/7 : CMD ./goapp
 ---> Running in 3c2d7ebbd40f
Removing intermediate container 3c2d7ebbd40f
 ---> d712eb92cea3
Successfully built d712eb92cea3
Successfully tagged registry.heroku.com/blooming-anchorage-54363/web:latest
=== Pushing web (/home/tricia/ecq/docker-ecq2020/hello-world-go-heroku/Dockerfile)
The push refers to repository [registry.heroku.com/blooming-anchorage-54363/web]
6943e3de6191: Pushed
60ed30d9dc7b: Pushed
5216338b40a7: Pushed
latest: digest: sha256:289fb22df9b7132056da501556ed64c6d06b032083aa1f9398aadd3e2d2c0311 size: 946
Your image has been successfully pushed. You can now release it with the 'container:release' command.

heroku release

tricia@acerubuntu1804:~/ecq/docker-ecq2020/hello-world-go-heroku$ heroku container:release web --app blooming-anchorage-54363
Releasing images web to blooming-anchorage-54363... done

load the app

https://bloming-ancohorage-54363.herokuapp.com

It worked!

deploy using docker to heroku

1. docker login login to heroku
2. heroku tag tag for push
3. docker push push to registry
4. load a browser, appname.herokuapp.com