diff --git a/Earthfile b/Earthfile
new file mode 100644
index 0000000..0c5a3b5
--- /dev/null
+++ b/Earthfile
@@ -0,0 +1,31 @@
+VERSION 0.6
+ARG BASE_IMAGE=quay.io/kairos/core-opensuse:latest
+ARG OSBUILDER_IMAGE=quay.io/kairos/osbuilder-tools
+
+
+build-challenger:
+    FROM golang:alpine
+    COPY . /work
+    WORKDIR /work
+    RUN CGO_ENABLED=0 go build -o kcrypt-discovery-challenger ./cmd/discovery
+    SAVE ARTIFACT /work/kcrypt-discovery-challenger AS LOCAL kcrypt-discovery-challenger
+
+image:
+    FROM $BASE_IMAGE
+    ARG IMAGE
+    COPY +build-challenger/kcrypt-discovery-challenger /system/discovery/kcrypt-discovery-challenger
+    SAVE IMAGE $IMAGE
+
+iso:
+    ARG OSBUILDER_IMAGE
+    ARG ISO_NAME=challenger
+    FROM $OSBUILDER_IMAGE
+    RUN zypper in -y jq docker
+    WORKDIR /build
+    WITH DOCKER --allow-privileged --load $IMAGE=(+image --IMAGE=test)
+        RUN /entrypoint.sh --name $ISO_NAME --debug build-iso --date=false --local test --output /build/
+    END
+    # See: https://github.com/rancher/elemental-cli/issues/228
+    RUN sha256sum $ISO_NAME.iso > $ISO_NAME.iso.sha256
+    SAVE ARTIFACT /build/$ISO_NAME.iso kairos.iso AS LOCAL build/$ISO_NAME.iso
+    SAVE ARTIFACT /build/$ISO_NAME.iso.sha256 kairos.iso.sha256 AS LOCAL build/$ISO_NAME.iso.sha256