diff --git a/.github/act/build-and-test.sh b/.github/act/build-and-test.sh
new file mode 100755
index 0000000..fd73a97
--- /dev/null
+++ b/.github/act/build-and-test.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# Allow branch ref to be set via environment variable or argument, default to "refs/heads/main"
+BRANCH_REF="${1:-${BRANCH_REF:-refs/heads/main}}"
+
+cat > event.json <<EOF
+{
+  "ref": "${BRANCH_REF}",
+  "inputs": {
+    "version": "1.1.0",
+    "snapshot": "true",
+    "distribution": "[\"run\"]",
+    "platform": "[\"amd64\"]"
+  }
+}
+EOF
+
+act --container-architecture linux/amd64 \
+  -W .github/workflows/build-test-and-publish.yml \
+  -e event.json \
+  workflow_dispatch
diff --git a/.github/workflows/build-test-and-publish.yml b/.github/workflows/build-test-and-publish.yml
index ff9e9c0..131f2c4 100644
--- a/.github/workflows/build-test-and-publish.yml
+++ b/.github/workflows/build-test-and-publish.yml
@@ -35,7 +35,7 @@ on:
     types: [published]
 jobs:
   build-and-test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
@@ -83,7 +83,7 @@ jobs:
           IMAGE_REPO_TOMCAT: ${{ vars.IMAGE_REPO_TOMCAT }}
           IMAGE_REPO_WILDFLY: ${{ vars.IMAGE_REPO_WILDFLY }}
   publish:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     needs: build-and-test
     strategy:
       matrix:
diff --git a/.github/workflows/pull-request-build-test.yml b/.github/workflows/pull-request-build-test.yml
index cf1119a..5dac012 100644
--- a/.github/workflows/pull-request-build-test.yml
+++ b/.github/workflows/pull-request-build-test.yml
@@ -5,7 +5,7 @@ on:
       - main
 jobs:
   build-and-test:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
diff --git a/download.sh b/download.sh
index 406f760..ff8d748 100755
--- a/download.sh
+++ b/download.sh
@@ -28,7 +28,7 @@ ARTIFACT_BASE_URL="https://github.com/operaton/operaton/releases/download/v${VER
 # Determine if SNAPSHOT version should be used
 if [ "${SNAPSHOT}" = "true" ]; then
     ARTIFACT_VERSION="${VERSION}-SNAPSHOT"
-    ARTIFACT_BASE_URL="https://github.com/operaton/operaton/releases/download/early-access/"
+    ARTIFACT_BASE_URL="https://github.com/operaton/operaton/releases/download/${ARTIFACT_VERSION}/"
 
     # get the database settings file from the main repo since snapshots are not published
     wget -q https://raw.githubusercontent.com/operaton/operaton/refs/heads/main/database/pom.xml -O dbpom.xml
diff --git a/pipeline.sh b/pipeline.sh
index e90e7ac..e5052f2 100755
--- a/pipeline.sh
+++ b/pipeline.sh
@@ -12,6 +12,16 @@ else
   VERSION_ARGUMENT="--build-arg VERSION=${VERSION}"
 fi
 
+if [ -z "$IMAGE_REPO_OPERATON" ]; then
+  IMAGE_REPO_OPERATON="operaton/operaton"
+fi
+if [ -z "$IMAGE_REPO_TOMCAT" ]; then
+  IMAGE_REPO_TOMCAT="operaton/operaton-tomcat"
+fi
+if [ -z "$IMAGE_REPO_WILDFLY" ]; then
+  IMAGE_REPO_WILDFLY="operaton/operaton-wildfly"
+fi
+
 if [ "$DISTRO" == "run" ]; then
   IMAGE_NAME=${IMAGE_REPO_OPERATON}:${PLATFORM}
 elif [ "$DISTRO" == "tomcat" ]; then