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A container registry that uses the AT Protocol for manifest storage and S3 for blob storage. atcr.io
docker container atproto go
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YAML
at test
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157# GitLab CI pipeline for verifying ATProto signatures
variables: REGISTRY: atcr.io IMAGE_NAME: $CI_PROJECT_PATH IMAGE_TAG: $REGISTRY/$IMAGE_NAME:$CI_COMMIT_SHA
stages: - build - verify - deploy
build_image: stage: build image: docker:latest services: - docker:dind script: - docker build -t $IMAGE_TAG . - docker push $IMAGE_TAG
verify_signature: stage: verify image: alpine:latest before_script: - apk add --no-cache curl jq script: - | echo "Verifying signature for $IMAGE_TAG"
# Install crane wget https://github.com/google/go-containerregistry/releases/download/v0.15.2/go-containerregistry_Linux_x86_64.tar.gz tar -xzf go-containerregistry_Linux_x86_64.tar.gz crane mv crane /usr/local/bin/
# Get image digest DIGEST=$(crane digest "$IMAGE_TAG") echo "Image digest: $DIGEST"
# Extract repository path REPO=$(echo "$IMAGE_TAG" | cut -d: -f1) REPO_PATH=${REPO#$REGISTRY/}
# Check for ATProto signature REFERRERS=$(curl -s "https://$REGISTRY/v2/$REPO_PATH/referrers/${DIGEST}?artifactType=application/vnd.atproto.signature.v1+json")
SIG_COUNT=$(echo "$REFERRERS" | jq '.manifests | length')
if [ "$SIG_COUNT" -eq 0 ]; then echo "❌ No ATProto signature found" exit 1 fi
echo "✓ Found $SIG_COUNT signature(s)"
verify_full: stage: verify image: alpine:latest before_script: - apk add --no-cache curl jq bash script: - | # Option 1: Use atcr-verify CLI (when available) # wget https://github.com/atcr-io/atcr/releases/latest/download/atcr-verify # chmod +x atcr-verify # ./atcr-verify "$IMAGE_TAG" --policy .atcr/trust-policy.yaml
# Option 2: Use shell script chmod +x examples/verification/atcr-verify.sh ./examples/verification/atcr-verify.sh "$IMAGE_TAG"
echo "✓ Signature verified successfully"
verify_trust: stage: verify image: alpine:latest before_script: - apk add --no-cache curl jq script: - | # Install crane and ORAS wget https://github.com/google/go-containerregistry/releases/download/v0.15.2/go-containerregistry_Linux_x86_64.tar.gz tar -xzf go-containerregistry_Linux_x86_64.tar.gz crane mv crane /usr/local/bin/
wget https://github.com/oras-project/oras/releases/download/v1.0.0/oras_1.0.0_linux_amd64.tar.gz tar -xzf oras_1.0.0_linux_amd64.tar.gz mv oras /usr/local/bin/
# Get signature metadata DIGEST=$(crane digest "$IMAGE_TAG") REPO=$(echo "$IMAGE_TAG" | cut -d: -f1) REPO_PATH=${REPO#$REGISTRY/}
REFERRERS=$(curl -s "https://$REGISTRY/v2/$REPO_PATH/referrers/${DIGEST}?artifactType=application/vnd.atproto.signature.v1+json") SIG_DIGEST=$(echo "$REFERRERS" | jq -r '.manifests[0].digest')
# Pull signature artifact oras pull "${REPO}@${SIG_DIGEST}" -o /tmp/sig
# Extract DID DID=$(jq -r '.atproto.did' /tmp/sig/atproto-signature.json) echo "Signed by DID: $DID"
# Check against trusted DIDs (from CI/CD variables) if [[ ",$TRUSTED_DIDS," == *",$DID,"* ]]; then echo "✓ DID is trusted" else echo "❌ DID $DID is not in trusted list" exit 1 fi
deploy_production: stage: deploy image: bitnami/kubectl:latest dependencies: - verify_signature - verify_full - verify_trust only: - main script: - | # Configure kubectl echo "$KUBE_CONFIG" | base64 -d > /tmp/kubeconfig export KUBECONFIG=/tmp/kubeconfig
# Deploy to production kubectl set image deployment/myapp \ myapp=$IMAGE_TAG \ -n production
kubectl rollout status deployment/myapp -n production
# Verify deployment kubectl get pods -n production -l app=myapp
# Alternative: Manual approval before deploydeploy_production_manual: stage: deploy image: bitnami/kubectl:latest dependencies: - verify_signature when: manual only: - main script: - | echo "Deploying $IMAGE_TAG to production"
echo "$KUBE_CONFIG" | base64 -d > /tmp/kubeconfig export KUBECONFIG=/tmp/kubeconfig
kubectl set image deployment/myapp \ myapp=$IMAGE_TAG \ -n production