Switch to a new Tekton task I've written to use buildkit instead of kaniko to build docker images.

.webhook_bridge/pipeline-build-homepage-staging.yaml

@@ -44,6 +44,31 @@ spec:
                 #!/usr/bin/env sh
                 set -euo pipefail
                 echo -n "$(date +%s)" | tee $(results.unix-time.path)
+      - name: get-git-commit-time
+        taskSpec:
+          metadata: {}
+          stepTemplate:
+            image: alpine:3.20
+            computeResources:
+              requests:
+                cpu: 10m
+                memory: 600Mi
+            workingDir: "$(workspaces.repo.path)"
+          results:
+            - name: unix-time
+              description: The time of the git commit in unix timestamp format.
+          steps:
+            - image: alpine/git:v2.34.2
+              name: detect-tag-step
+              script: |
+                #!/usr/bin/env sh
+                set -euo pipefail
+                echo -n "$(git log -1 --pretty=%ct)" | tee $(results.unix-time.path)
+        workspaces:
+          - name: repo
+            workspace: git-source
+        runAfter:
+          - fetch-repository
       - name: report-pending
         taskRef:
           resolver: git
@@ -184,32 +209,35 @@ spec:
           resolver: git
           params:
             - name: url
-              value: https://code.fizz.buzz/mirror/catalog.git # mirror of https://github.com/tektoncd/catalog.git
+              value: https://code.fizz.buzz/talexander/personal_tekton_catalog.git
             - name: revision
-              value: df36b3853a5657fd883015cdbf07ad6466918acf
+              value: 8e4e323389e66d8365a3243f8e956136e916132e
             - name: pathInRepo
-              value: task/kaniko/0.6/kaniko.yaml
+              value: task/buildkit-rootless-daemonless/0.1/buildkit-rootless-daemonless.yaml
         params:
-          - name: IMAGE
-            value: "harbor.fizz.buzz/private/homepage-build-organic:$(tasks.get-time.results.unix-time)"
+          - name: OUTPUT
+            value: >-
+              type=image,"name=harbor.fizz.buzz/private/homepage-build-organic:latest,harbor.fizz.buzz/private/homepage-build-organic:$(tasks.get-time.results.unix-time)",push=true,compression=zstd,compression-level=22,oci-mediatypes=true
           - name: CONTEXT
             value: .
           - name: DOCKERFILE
-            value: docker/organic/Dockerfile
-          - name: BUILDER_IMAGE
-            value: "gcr.io/kaniko-project/executor:v1.23.2"
+            value: docker/organic/
           - name: EXTRA_ARGS
             value:
-              - "--destination=harbor.fizz.buzz/private/homepage-build-organic" # Also write the :latest image
-              - "--target="
-              - --cache=true
-              - --cache-copy-layers
-              - --cache-repo=harbor.fizz.buzz/kanikocache/cache
-              - --use-new-run # Should result in a speed-up
-              - --reproducible # To remove timestamps so layer caching works.
-              - --snapshot-mode=redo
-              - --skip-unused-stages=true
-              - --registry-mirror=dockerhub.dockerhub.svc.cluster.local
+              - --import-cache
+              - "type=registry,ref=harbor.fizz.buzz/private/homepage-build-organic:buildcache"
+              - --export-cache
+              - "type=registry,ref=harbor.fizz.buzz/private/homepage-build-organic:buildcache,mode=max,compression=zstd,compression-level=3,rewrite-timestamp=true,image-manifest=true,oci-mediatypes=true"
+              - --opt
+              - build-arg:SOURCE_DATE_EPOCH=$(tasks.get-git-commit-time.results.unix-time)
+          - name: BUILDKITD_TOML
+            value: |
+              debug = true
+              [registry."docker.io"]
+                mirrors = ["dockerhub.dockerhub.svc.cluster.local"]
+              [registry."dockerhub.dockerhub.svc.cluster.local"]
+                http = true
+                insecure = true
         workspaces:
           - name: source
             workspace: git-source
@@ -232,7 +260,7 @@ spec:
               name: build-explorer-wasm
         params:
           - name: IMAGE
-            value: "harbor.fizz.buzz/private/homepage-build-organic:$(tasks.get-time.results.unix-time)"
+            value: "$(tasks.build-explorer-image.results.IMAGE_URL[1])"
         workspaces:
           - name: organic
             workspace: git-source-organic