Docker ECR credential helper

install.sh

# A docker credential helper that automatically calls AWS CLI for docker push/pull.

cat <<EOF
grep -q 'dkr.ecr.[^.]\+.amazonaws.com' - || exit
aws --output text ecr get-authorization-token --query authorizationData[0].authorizationToken \
  | base64 --decode \
  | sed -e 's/:/", "Secret":"/' -e 's/^/{"Username":"/' -e 's/$/"}/'
EOF | sudo tee /usr/local/bin/docker-credential-ecr-login
sudo chmod +x /usr/local/bin/docker-credential-ecr-login

cat <<EOF
{"credsStore": "ecr-login"}
EOF > ~/.docker/config