diff --git a/.github/workflows/continuous-integration-workflow.yml b/.github/workflows/continuous-integration-workflow.yml
index ef6e6fce..25ec270d 100644
--- a/.github/workflows/continuous-integration-workflow.yml
+++ b/.github/workflows/continuous-integration-workflow.yml
@@ -2,51 +2,53 @@ name: ci
 on: [push]
 
 jobs:
+
   test:
+
     name: Test
-    runs-on: ubuntu-20.04
+
+    runs-on: ubuntu-22.04
+
     container:
-      # Source: https://github.com/day8/dockerfiles-for-dev-ci-images
-      image: ghcr.io/day8/chrome-56:2
+      image: ghcr.io/day8/chrome-87:6.0.8
       credentials:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
+
     steps:
-      - uses: actions/checkout@v1
-      - name: Maven cache
-        uses: actions/cache@v1
-        id: maven-cache
-        with:
-          path: /root/.m2/repository
-          key: ${{ runner.os }}-maven-${{ hashFiles('project.clj', 'deps.edn', '.github/workflows/**') }}
-          restore-keys: |
-            ${{ runner.os }}-maven-
-      - name: npm cache
-        uses: actions/cache@v1
+      - uses: actions/checkout@v4
+
+      - name: Install clojure tools
+        uses: DeLaGuardo/setup-clojure@12.5
         with:
-          path: ~/.npm
-          key: ${{ runner.os }}-npm-${{ hashFiles('package.json', 'package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-npm-
-      - name: shadow-cljs compiler cache
-        uses: actions/cache@v1
+          cli:  'latest'
+          bb:   'latest'
+
+      - name: Cache clojure dependencies
+        uses: actions/cache@v3
         with:
-          path: .shadow-cljs
-          key: ${{ runner.os }}-shadow-cljs-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-shadow-cljs-
-      - if: steps.maven-cache.outputs.cache-hit != 'true'
-        run: |
-          lein ci
-          lein build-report-ci
-      - if: steps.maven-cache.outputs.cache-hit == 'true'
-        run: |
-          lein -o ci
-          lein -o build-report-ci
-      - uses: actions/upload-artifact@v2
+          path: |
+            ~/.m2/repository
+            ~/.gitlibs
+            ~/.deps.clj
+            ~/.npm
+            .shadow-cljs
+          key: cljdeps-${{ hashFiles('deps.edn') }}
+          restore-keys: cljdeps-
+
+      - name: Fix git dubious directory ownership error
+        run: git config --global --add safe.directory /__w/re-com/re-com
+
+      - run: mkdir -p run/resources/public/compiled_prod/demo
+      - run: bb ci
+
+      - run: bb build-report-ci
+
+      - uses: actions/upload-artifact@v4
         with:
           name: build-report
           path: target/build-report.html
+
       - name: Slack notification
         uses: homoluctus/slatify@v2.0.1
         if: failure() || cancelled()
diff --git a/bb.edn b/bb.edn
new file mode 100644
index 00000000..5edd5670
--- /dev/null
+++ b/bb.edn
@@ -0,0 +1,25 @@
+{:min-bb-version "0.4.0"
+ :tasks
+ {:requires       ([babashka.fs :as fs])
+  clean           (let [clean-targets ["node_modules"
+                                       "run/resources/public/compiled_dev "
+                                       "run/resources/public/compiled_prod"
+                                       "run/resources/public/compiled_test"]]
+                    (doseq [target clean-targets]
+                      (println "bb clean: deleting" target)
+                      (fs/delete-tree target)))
+  install         (shell "npm install")
+  test            {:depends [clean install]
+                   :task    (do (shell "npx shadow-cljs compile karma-test")
+                                (shell "npx karma start --single-run --reporters junit,dots"))}
+  release-demo    {:depends [clean install]
+                   :task    (shell "npx shadow-cljs release demo")}
+  prod-once       {:depends [release-demo]}
+  ci              {:depends [clean install release-demo]}
+  build-report-ci {:depends [clean install]
+                   :task    (shell
+                             "npx shadow-cljs clj-run shadow.cljs.build-report demo target/build-report.html")}
+  watch           {:depends [clean install]
+                   :task    (shell "npx shadow-cljs watch demo browser-test karma-test")}
+  deploy-aws      {:depends [ci]
+                   :task    (shell "aws s3 sync run/resources/public s3://re-demo/ --acl public-read --cache-control max-age=2592000,public")}}}
diff --git a/shadow-cljs.edn b/shadow-cljs.edn
index 8b07cf6d..03132533 100644
--- a/shadow-cljs.edn
+++ b/shadow-cljs.edn
@@ -1,4 +1,4 @@
-{:lein  {:profile "+demo"}
+{:deps  true
  :nrepl {:port 7777}
 
  :builds {:demo