diff --git a/.forgejo/workflows/continuous-integration.yaml b/.forgejo/workflows/continuous-integration.yaml
index c6b1f55..762ee62 100644
--- a/.forgejo/workflows/continuous-integration.yaml
+++ b/.forgejo/workflows/continuous-integration.yaml
@@ -3,21 +3,11 @@ on:
   push:
     branches: [main]
 jobs:
-  # build and tag the Docker image that the rest of the jobs will run on
-  setup-image:
-    runs-on: self-hosted
-    defaults:
-      run:
-        working-directory: tools/ci-image
-    steps:
-      - uses: https://code.forgejo.org/actions/checkout@v4
-      - run: docker build . --tag dyna3:ci
   # build the application, reporting success if there are no errors or warnings
   build:
     runs-on: docker
     container:
       image: dyna3:ci
-    needs: [setup-image]
     defaults:
       run:
         working-directory: app-proto
@@ -31,7 +21,6 @@ jobs:
     runs-on: docker
     container:
       image: dyna3:ci
-    needs: [setup-image]
     defaults:
       run:
         working-directory: app-proto
@@ -49,7 +38,6 @@ jobs:
     runs-on: docker
     container:
       image: dyna3:ci
-    needs: [setup-image]
     defaults:
       run:
         working-directory: app-proto
diff --git a/tools/ci-image/build b/tools/ci-image/build
new file mode 100755
index 0000000..d1a90dc
--- /dev/null
+++ b/tools/ci-image/build
@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# build and tag the Docker image we use for continuous integration
+
+docker build . --tag dyna3:ci
\ No newline at end of file