docker push travis

.travis.yml

sudo: required
services:
- docker
- ...
env:
  global:
  - IMAGE_NAME=davidemoro/pytest-play
  - secure: ...
before_script:
- ...
script:
- travis_wait docker pull python:3.7
- travis_wait docker pull "$IMAGE_NAME:latest"
- travis_wait 25 docker build --cache-from "$IMAGE_NAME:latest" -t "$IMAGE_NAME" .
- docker run -i --rm -v $(pwd)/tests:/src --network host -v /var/run/mysqld/mysqld.sock:/var/run/mysqld/mysqld.sock $IMAGE_NAME --splinter-webdriver=remote
  --splinter-remote-url=$REMOTE_URL
deploy:
  provider: script
  script: bash docker_push
  on:
    branch: master

docker_push

#!/bin/bash
echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin
docker tag "$IMAGE_NAME" "$IMAGE_NAME:$TRAVIS_COMMIT"
docker tag "$IMAGE_NAME" "$IMAGE_NAME:latest"
docker push "$IMAGE_NAME":"$TRAVIS_COMMIT"
docker push "$IMAGE_NAME":latest