diff --git a/.github/workflows/ci-pr.yml b/.github/workflows/ci-pr.yml
index 15f2bc1d..f2549102 100644
--- a/.github/workflows/ci-pr.yml
+++ b/.github/workflows/ci-pr.yml
@@ -7,10 +7,16 @@ env:
   MAIN_PATH: 'build-dir'
   GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
   MAVEN_THREADS: 'false'
+  BUILD_NAME: 'stream-applications-${{ github.ref_name }}'
+  BUILD_NUMBER: ${{ github.run_id }}-${{ github.run_number }}-${{ github.run_attempt }}
+  ARTIFACTORY_USERNAME: 'anonymous'
+  ARTIFACTORY_PASSWORD: 'anonymous'
+  SKIP_DEPLOY: 'true'
+
 jobs:
   build:
     if: github.repository == 'spring-cloud/stream-applications'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu22-8-32-OSS
     steps:
       - name: 'Configure: checkout stream-applications@${{ github.ref_name }}'
         uses: actions/checkout@v3
@@ -26,18 +32,10 @@ jobs:
         shell: bash
         run: find . -type f -name "*.sh" -exec chmod a+x '{}' \;
       - name: 'Configure: Install Java'
-        if: ${{ github.base_ref != 'main' }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v4
         with:
-          java-version: ${{ needs.parameters.outputs.jdk_build }}
-      - name: 'Configure: Install GraalVM'
-        if: ${{ github.base_ref == 'main' }}
-        uses: graalvm/setup-graalvm@v1
-        with:
-          version: 'latest'
           java-version: '17'
-          components: 'js'
-          github-token: ${{ secrets.GITHUB_TOKEN }}
+          distribution: 'liberica'
       - name: 'Configure: cache for maven dependencies'
         uses: actions/cache@v3
         with:
@@ -49,51 +47,18 @@ jobs:
             maven-repo-
       - name: 'Configure: Install xsltproc'
         uses: ./.github/actions/install-xsltproc
-      - name: 'Action: verify changed modules'
+      - name: 'Action: Build Core'
         shell: bash
         env:
           VERBOSE: ${{ github.debug && 'true' || '' }}
         run: |
-          PR=$(echo "${{ github.ref_name }}" | grep -o '[[:digit:]]*')
-          echo "Checking out pull request #$PR"
-          gh pr checkout $PR
-          BUILD_DIR=$(realpath $MAIN_PATH)
-          echo "Changed files:"
-          gh pr diff --name-only
-          CHANGED=$(gh pr diff --name-only)
-          $BUILD_DIR/scripts/determine-modules-changed.sh "$CHANGED"
-          MODULES=$(jq '.[]' modules.json | sed 's/\"//g')
-          FOLDERS=
-          ROOT_MODULES=
-          if [ "$MAVEN_THREADS" = "true" ]; then
-            MVN_THR="-T 0.5C"
-          else
-            MVN_THR=
-          fi
-          MAVEN_OPTS="-s $BUILD_DIR/.settings.xml -B -U $MVN_THR"
-          echo "VERBOSE=$VERBOSE"
-          if [ "$VERBOSE" = "true" ]; then
-            MAVEN_OPTS="-X $MAVEN_OPTS"
-          fi
-          for module in $MODULES; do
-            if [ "$FOLDERS" = "" ]; then
-              FOLDERS="$module"
-            else
-              FOLDERS="$FOLDERS,$module"
-            fi
-          done
-          set +e
-          if [ "$FOLDERS" != "" ]; then
-            echo "::notice::install $FOLDERS and dependents"
-            echo "::debug::MAVEN:./mvnw $MAVEN_OPTS -amd -pl $FOLDERS install"
-            ./mvnw $MAVEN_OPTS -amd -pl $FOLDERS install
-            RC=$?
-            if ((RC!=0)); then
-              exit $RC
-            fi
-          fi
-      - name: 'Configure: Install Trivy'
-        uses: ./.github/actions/install-trivy
+          ./build-core.sh "-T 1C package -Psnapshot"
+      - name: 'Action: Build Apps'
+        shell: bash
+        env:
+          VERBOSE: ${{ github.debug && 'true' || '' }}
+        run: |
+          ./build-apps.sh "-T 1C package -Psnapshot"
       - name: 'Upload: Error logs'
         if: ${{ failure() }}
         uses: actions/upload-artifact@v3
diff --git a/build-app.sh b/build-app.sh
index 46aca6dd..ca73dd78 100755
--- a/build-app.sh
+++ b/build-app.sh
@@ -23,7 +23,9 @@ if [ "$2" == "" ]; then
 fi
 PROJECT_FOLDER=$(realpath "$1")
 APP_FOLDER=$2
-SKIP_DEPLOY=$3
+if [ "$3" != "" ]; then
+  SKIP_DEPLOY=$3
+fi
 
 set -e
 
@@ -40,7 +42,7 @@ pushd "$PROJECT_FOLDER" >/dev/null
   else
     MAVEN_GOAL="install verify deploy"
   fi
-  if [[ "$MAVEN_GOAL" == *"deploy"* ]]; then
+  if [[ "$MAVEN_GOAL" == *"deploy"* ]] && [ "$SKIP_DEPLOY" != "true" ]; then
     check_env ARTIFACTORY_USERNAME
     check_env ARTIFACTORY_PASSWORD
   fi
@@ -90,7 +92,9 @@ pushd "$PROJECT_FOLDER" >/dev/null
           if [ "$SKIP_DEPLOY" == "" ] || [ "$SKIP_DEPLOY" == "false" ]; then
             for v in $JDKS; do
               echo "Pack:$app:$VERSION-jdk$v"
+              set -e
               pack build \
+                --pull-policy if-not-present \
                 --path "target/$app-$VERSION.jar" \
                 --builder paketobuildpacks/builder-jammy-base:latest \
                 --env BP_JVM_VERSION=$v \
diff --git a/build-apps.sh b/build-apps.sh
index 620d0ba0..2544a112 100755
--- a/build-apps.sh
+++ b/build-apps.sh
@@ -19,17 +19,31 @@ if [ "$1" = "" ]; then
 else
   MAVEN_GOAL="$*"
 fi
-
+RC=0
+set +e
 $SCDIR/create-matrices.sh
 PROCESSORS=$(jq -c '.processors | .[]' matrix.json | sed 's/\"//g')
 SINKS=$(jq -c '.sinks | .[]' matrix.json | sed 's/\"//g')
 SOURCES=$(jq -c '.sources | .[]' matrix.json | sed 's/\"//g')
 for app in $PROCESSORS; do
   $SCDIR/build-app.sh . "applications/processor/$app"
+  RCC=$?
+  if ((RCC!=0)); then
+    RC=$RCC
+  fi
 done
 for app in $SOURCES; do
   $SCDIR/build-app.sh . "applications/source/$app"
+  RCC=$?
+  if ((RCC!=0)); then
+    RC=$RCC
+  fi
 done
 for app in $SINKS; do
   $SCDIR/build-app.sh . "applications/sink/$app"
+  RCC=$?
+  if ((RCC!=0)); then
+    RC=$RCC
+  fi
 done
+exit $RC
diff --git a/build-core.sh b/build-core.sh
index a9bc42ed..95947c0d 100755
--- a/build-core.sh
+++ b/build-core.sh
@@ -19,5 +19,5 @@ if [ "$1" = "" ]; then
 else
   MAVEN_GOAL="$*"
 fi
-
+set -e
 $SCDIR/build-folder.sh stream-applications-build,applications/stream-applications-core "$MAVEN_GOAL"
diff --git a/build-folder.sh b/build-folder.sh
index ca3ff8d6..80ef356e 100755
--- a/build-folder.sh
+++ b/build-folder.sh
@@ -20,14 +20,18 @@ function check_env() {
   fi
 }
 
+if [ "$1" == "" ]; then
+  echo -e "Options: ${bold} <comma-separated-folders> [<maven-goals>]*${end}"
+  exit 1
+fi
 if [ "$VERBOSE" = "true" ]; then
   MAVEN_OPTS="-X"
 elif [ "$VERBOSE" = "false" ]; then
   MAVEN_OPTS="-q"
 fi
-MAVEN_OPTS="$MAVEN_OPTS -s $SCDIR/.settings.xml -B"
-if [ "$1" == "" ]; then
-  echo -e "Options: ${bold} <comma-separated-folders> [<maven-goals>]*${end}"
+MAVEN_OPTS="$MAVEN_OPTS -B"
+if [ "$SKIP_DEPLOY" != "true" ]; then
+  MAVEN_OPTS="$MAVEN_OPTS -s $SCDIR/.settings.xml"
 fi
 FOLDER_NAMES="$1"
 shift
@@ -83,7 +87,7 @@ for FOLDER in $FOLDER_NAMES; do
 done
 # IFS will affect mvnw ability to split arguments.
 IFS=$SAVED_IFS
-if [[ "$MAVEN_GOAL" == *"deploy"* ]]; then
+if [[ "$MAVEN_GOAL" == *"deploy"* ]] && [ "$SKIP_DEPLOY" != "true" ]; then
   check_env ARTIFACTORY_USERNAME
   check_env ARTIFACTORY_PASSWORD
 fi
diff --git a/local/pack-containers.sh b/local/pack-containers.sh
index 15add090..dc6ac986 100755
--- a/local/pack-containers.sh
+++ b/local/pack-containers.sh
@@ -76,6 +76,7 @@ for app in ${PROCESSORS[@]}; do
     TARGET_FILE="$APP_PATH/$app-$BROKER-$TAG.jar"
     if [ -f "$TARGET_FILE" ]; then
       pack build \
+        --pull-policy if-not-present \
         --path "$TARGET_FILE" \
         --builder paketobuildpacks/builder-jammy-base:latest \
         --env BP_JVM_VERSION=$v \
@@ -105,6 +106,7 @@ for app in ${SINKS[@]}; do
     TARGET_FILE="$APP_PATH/$app-$BROKER-$TAG.jar"
     if [ -f "$TARGET_FILE" ]; then
       pack build \
+        --pull-policy if-not-present \
         --path "$TARGET_FILE" \
         --builder paketobuildpacks/builder-jammy-base:latest \
         --env BP_JVM_VERSION=$v \
@@ -134,6 +136,7 @@ for app in ${SOURCES[@]}; do
     TARGET_FILE="$APP_PATH/$app-$BROKER-$TAG.jar"
     if [ -f "$TARGET_FILE" ]; then
       pack build \
+        --pull-policy if-not-present \
         --path "$TARGET_FILE" \
         --builder paketobuildpacks/builder-jammy-base:latest \
         --env BP_JVM_VERSION=$v \