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chore: improve the method for passing images that will be built on Docker

This commit is contained in:
Junior L. Botelho (JLB) 2023-02-11 19:14:38 -03:00
parent b3a6a43acb
commit 0faba78be1
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2 changed files with 13 additions and 7 deletions
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18
.docker/entrypoint.sh
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@ -1,20 +1,26 @@
#!/bin/sh
# You can split the value of the --images argument using the IFS (Internal Field Separator) variable and the read command,
# and then iterate over the resulting parts using a for loop.
# See more: https://unix.stackexchange.com/questions/184863/what-is-the-meaning-of-ifs-n-in-bash-scripting
IFS='=' read -ra ARGUMENT_PARTS <<< "$1"
IFS='/' read -ra IMAGE_PARTS <<< "${ARGUMENT_PARTS[1]}"
# The block below will use iteration to either build the necessary Docker image or simply run the required containers using the provided entrypoint arguments
# First, the image will be created, and then the container will be run using the image that was generated
for image in "$@"
for IMAGE in "${IMAGE_PARTS[@]}"
do
# The following command will display the IDs of Docker images filtered by name
# See more: https://docs.docker.com/engine/reference/commandline/images/
if [ ! "$(docker images -aq --filter 'reference=${image}')" ]; then
docker buildx build -f scripts/${image}.dockerfile -t ${image}:latest scripts/
if [ ! "$(docker images -aq --filter 'reference=${IMAGE}')" ]; then
docker buildx build -f scripts/${IMAGE}.dockerfile -t ${IMAGE}:latest scripts/
fi
# The following command will achieve the same result as the previous command, but for containers rather than images
# See more: https://docs.docker.com/engine/reference/commandline/ps/
if [ ! "$(docker ps -aq --filter name=${image})" ]; then
[ "$(docker ps -aq --filter status=exited -f name=${image})" ] && docker rm ${image}
docker run -d --name ${image} ${image}:latest
if [ ! "$(docker ps -aq --filter name=${IMAGE})" ]; then
[ "$(docker ps -aq --filter status=exited -f name=${IMAGE})" ] && docker rm ${IMAGE}
docker run -d --name ${IMAGE} ${IMAGE}:latest
fi
done

2
Dockerfile
View File

@ -88,4 +88,4 @@ RUN apk update; apk add zip abuild-rootbld --no-cache &&\
sh -c 'scripts/prepare.sh' && apk del -r zip abuild-rootbld
# Configures the container to be run as an executable.
ENTRYPOINT ["/bin/sh", "-c", "scripts/entrypoint.sh nginx php"]
ENTRYPOINT ["/bin/sh", "-c", "scripts/entrypoint.sh --images=nginx/php"]