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Add CircleCI pipeline for automated Docker image builds and publishing #24

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47d4354
Initial circeci config
DickPostma Aug 27, 2026
420f3b9
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DickPostma Aug 27, 2026
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134 changes: 134 additions & 0 deletions .circleci/config.yaml
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Original file line number Diff line number Diff line change
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version: 2.1

jobs:

validate-images:
machine:
image: ubuntu-2204:current

steps:
- checkout

- run:
name: Validate changed image directories
command: |
set -e

git fetch origin main

CHANGED_DIRS=$(
git diff --name-only origin/main...HEAD \
| cut -d/ -f1 \
| sort -u
)

echo "Changed directories:"
echo "$CHANGED_DIRS"

FOUND_IMAGE=false

for dir in $CHANGED_DIRS
do
if [ -d "$dir" ] && \
[ -f "$dir/Dockerfile" ] && \
[ -f "$dir/Makefile" ]
then

FOUND_IMAGE=true

echo ""
echo "Validating $dir"

grep -q "^name=" "$dir/Makefile" || \
(echo "Missing name= in $dir/Makefile" && exit 1)

grep -q "^tag=" "$dir/Makefile" || \
(echo "Missing tag= in $dir/Makefile" && exit 1)

IMAGE_NAME=$(grep "^name=" "$dir/Makefile" | cut -d= -f2)
IMAGE_TAG=$(grep "^tag=" "$dir/Makefile" | cut -d= -f2)

echo "Found image: $IMAGE_NAME:$IMAGE_TAG"

if docker manifest inspect "$IMAGE_NAME:$IMAGE_TAG" >/dev/null 2>&1
then
echo ""
echo "ERROR:"
echo "Image already exists:"
echo "$IMAGE_NAME:$IMAGE_TAG"
exit 1
fi

fi
done

if [ "$FOUND_IMAGE" = false ]
then
echo "No Docker images modified."
fi

build-and-push-images:
machine:
image: ubuntu-2204:current

steps:
- checkout

- run:
name: Docker Login
command: |
echo "$DOCKER_PASSWORD" | docker login \
-u "$DOCKER_USERNAME" \
--password-stdin

- run:
name: Detect and build changed images
command: |
set -e

CHANGED_DIRS=$(
git diff --name-only HEAD~1 HEAD \
| cut -d/ -f1 \
| sort -u
)

echo "Changed directories:"
echo "$CHANGED_DIRS"

for dir in $CHANGED_DIRS
do
if [ -d "$dir" ] && \
[ -f "$dir/Dockerfile" ] && \
[ -f "$dir/Makefile" ]
then

echo ""
echo "Building $dir"

(
cd "$dir"

make build-image
make push-image
)
fi
done

workflows:
version: 2

validate-pull-request:
jobs:
- validate-images:
filters:
branches:
ignore:
- main

build-on-main:
jobs:
- build-and-push-images:
filters:
branches:
only:
- main
134 changes: 134 additions & 0 deletions .circleci/config.yml
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,134 @@
version: 2.1

jobs:

validate-images:
machine:
image: ubuntu-2204:current

steps:
- checkout

- run:
name: Validate changed image directories
command: |
set -e

git fetch origin main

CHANGED_DIRS=$(
git diff --name-only origin/main...HEAD \
| cut -d/ -f1 \
| sort -u
)

echo "Changed directories:"
echo "$CHANGED_DIRS"

FOUND_IMAGE=false

for dir in $CHANGED_DIRS
do
if [ -d "$dir" ] && \
[ -f "$dir/Dockerfile" ] && \
[ -f "$dir/Makefile" ]
then

FOUND_IMAGE=true

echo ""
echo "Validating $dir"

grep -q "^name=" "$dir/Makefile" || \
(echo "Missing name= in $dir/Makefile" && exit 1)

grep -q "^tag=" "$dir/Makefile" || \
(echo "Missing tag= in $dir/Makefile" && exit 1)

IMAGE_NAME=$(grep "^name=" "$dir/Makefile" | cut -d= -f2)
IMAGE_TAG=$(grep "^tag=" "$dir/Makefile" | cut -d= -f2)

echo "Found image: $IMAGE_NAME:$IMAGE_TAG"

if docker manifest inspect "$IMAGE_NAME:$IMAGE_TAG" >/dev/null 2>&1
then
echo ""
echo "ERROR:"
echo "Image already exists:"
echo "$IMAGE_NAME:$IMAGE_TAG"
exit 1
fi

fi
done

if [ "$FOUND_IMAGE" = false ]
then
echo "No Docker images modified."
fi

build-and-push-images:
machine:
image: ubuntu-2204:current

steps:
- checkout

- run:
name: Docker Login
command: |
echo "$DOCKER_PASSWORD" | docker login \
-u "$DOCKER_USERNAME" \
--password-stdin

- run:
name: Detect and build changed images
command: |
set -e

CHANGED_DIRS=$(
git diff --name-only HEAD~1 HEAD \
| cut -d/ -f1 \
| sort -u
)

echo "Changed directories:"
echo "$CHANGED_DIRS"

for dir in $CHANGED_DIRS
do
if [ -d "$dir" ] && \
[ -f "$dir/Dockerfile" ] && \
[ -f "$dir/Makefile" ]
then

echo ""
echo "Building $dir"

(
cd "$dir"

make build-image
make push-image
)
fi
done

workflows:
version: 2

validate-pull-request:
jobs:
- validate-images:
filters:
branches:
ignore:
- main

build-on-main:
jobs:
- build-and-push-images:
filters:
branches:
only:
- main