9.3. Construindo uma imagem de um Dockerfile com Buildah

ls
Dockerfile  myecho
cat Dockerfile
FROM registry.redhat.io/ubi8/ubi
ADD myecho /usr/local/bin
ENTRYPOINT "/usr/local/bin/myecho"
cat myecho
echo "This container works!"
chmod 755 myecho
./myecho
This container works!

# ls
Dockerfile  myecho
# cat Dockerfile
FROM registry.redhat.io/ubi8/ubi
ADD myecho /usr/local/bin
ENTRYPOINT "/usr/local/bin/myecho"
# cat myecho
echo "This container works!"
# chmod 755 myecho
# ./myecho
This container works!

# buildah bud -t myecho .
STEP 1: FROM registry.redhat.io/ubi8/ubi
STEP 2: ADD myecho /usr/local/bin
STEP 3: ENTRYPOINT "/usr/local/bin/myecho"

# buildah bud -t myecho .
STEP 1: FROM registry.redhat.io/ubi8/ubi
STEP 2: ADD myecho /usr/local/bin
STEP 3: ENTRYPOINT "/usr/local/bin/myecho"

buildah images
IMAGE NAME        IMAGE TAG  IMAGE ID      CREATED AT          SIZE
localhost/myecho  latest     a3882af49784  Jun 21, 2019 12:21  216 MB

# buildah images
IMAGE NAME        IMAGE TAG  IMAGE ID      CREATED AT          SIZE
localhost/myecho  latest     a3882af49784  Jun 21, 2019 12:21  216 MB