Example buildspec.yml file and dockerfile for building docker image with AWS CloudBuild

buildspec.yml

version: 0.2 
 
#env: 
  #variables: 
     # key: "value" 
     # key: "value" 
  #parameter-store: 
     # key: "value" 
     # key: "value" 
 
phases: 
  install:
    runtime-versions:
        docker: 18     
    commands: 
      - nohup /usr/local/bin/dockerd --host=unix:///var/run/docker.sock --host=tcp://127.0.0.1:2375 --storage-driver=overlay2&
      - timeout 15 sh -c "until docker info; do echo .; sleep 1; done"
  pre_build: 
    commands: 
    - echo Logging in to Amazon ECR.... 
    - aws --version
    # update the following line with your own region
    - $(aws ecr get-login --no-include-email --region eu-central-1) 
  build: 
    commands: 
    - echo Build started on `date` 
    - echo Building the Docker image... 
    # update the following line with the name of your own ECR repository
    - docker build -t mydockerrepo . 
    # update the following line with the URI of your own ECR repository (view the Push Commands in the console)
    - docker tag mydockerrepo:latest 757250003982.dkr.ecr.eu-central-1.amazonaws.com/mydockerrepo:latest 
  post_build: 
    commands: 
    - echo Build completed on `date` 
    - echo pushing to repo
    # update the following line with the URI of your own ECR repository
    - docker push 757250003982.dkr.ecr.eu-central-1.amazonaws.com/mydockerrepo:latest 
#artifacts: 
    # - location 
    # - location 
  #discard-paths: yes 
  #base-directory: location 
#cache: 
  #paths: 
    # - paths 
 

Dockerfile

FROM ubuntu:12.04
# Install dependencies
RUN apt-get update -y
RUN apt-get install -y apache2

# Install apache and write hello world message
RUN echo "Hello Cloud Gurus!!!! This web page is running in a Docker container!" > /var/www/index.html

# Configure apache
RUN a2enmod rewrite
RUN chown -R www-data:www-data /var/www
ENV APACHE_RUN_USER www-data
ENV APACHE_RUN_GROUP www-data
ENV APACHE_LOG_DIR /var/log/apache2

EXPOSE 80

CMD ["/usr/sbin/apache2", "-D",  "FOREGROUND"]