diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 4de1198a..1f5b9cbe 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -37,9 +37,18 @@ jobs:
           MINECRAFT_VERSION: LATEST
         run: |
           tests/test.sh
+  push:
+    runs-on: ubuntu-20.04
+    needs:
+      - test
+    if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup Docker Buildx
+        uses: docker/setup-buildx-action@v2
 
       - name: Gather Docker metadata
-        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
         id: meta
         uses: docker/metadata-action@v4
         with:
@@ -47,18 +56,16 @@ jobs:
             itzg/minecraft-server
 
       - name: Login to DockerHub
-        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
         uses: docker/login-action@v2
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
       - name: Push
-        if: contains(github.event.pull_request.labels.*.name, 'ci/push-image')
         uses: docker/build-push-action@v3.0.0
         with:
           context: .
-          platforms: linux/amd64,linux/arm/v7,linux/arm64
+          platforms: linux/amd64
           tags: ${{ steps.meta.outputs.tags }}
           pull: true
           push: true
diff --git a/Dockerfile b/Dockerfile
index d65c67f3..d59c368a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax = docker/dockerfile:1.3
 
-ARG BASE_IMAGE=eclipse-temurin:17-jdk
+ARG BASE_IMAGE=eclipse-temurin:17-jre-focal
 FROM ${BASE_IMAGE}
 
 # CI system should set this to a hash or git revision of the build directory and it's contents to
diff --git a/build/run.sh b/build/run.sh
index d2a41cb5..16514193 100755
--- a/build/run.sh
+++ b/build/run.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e
 
diff --git a/build/ubuntu/install-packages.sh b/build/ubuntu/install-packages.sh
index cea0d7ef..80222ae6 100755
--- a/build/ubuntu/install-packages.sh
+++ b/build/ubuntu/install-packages.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e
 
diff --git a/examples/docker-compose-curseforge.yml b/examples/docker-compose-curseforge.yml
index 88ae842a..f4527466 100644
--- a/examples/docker-compose-curseforge.yml
+++ b/examples/docker-compose-curseforge.yml
@@ -9,7 +9,9 @@ services:
     environment:
       EULA: "true"
       TYPE: CURSEFORGE
-      CF_SERVER_MOD: https://media.forgecdn.net/files/3482/169/Valhelsia+3-3.4.4-SERVER.zip
+      CF_SERVER_MOD: /modpacks/SIMPLE-SERVER-FILES-0.3.20.zip
+#      CF_SERVER_MOD: /modpacks/createlive3serverfiles+1.4.2.zip
+#      CF_SERVER_MOD: /modpacks/Valhelsia+3-3.5.1-SERVER.zip
 #      CF_SERVER_MOD: https://media.forgecdn.net/files/3012/800/SkyFactory-4_Server_4.2.2.zip
 #      CF_SERVER_MOD: /modpacks/${MODPACK:-SkyFactory_4_Server_4.1.0.zip}
     ports:
diff --git a/scripts/start-deployCF b/scripts/start-deployCF
index f95daa07..d30fdeaf 100755
--- a/scripts/start-deployCF
+++ b/scripts/start-deployCF
@@ -136,32 +136,31 @@ if ! isTrue "${USE_MODPACK_START_SCRIPT:-true}"; then
   exec "${SCRIPTS:-/}start-setupWorld" "$@"
 fi
 
-entryScriptExpr="
-  -name ServerStart.sh
-  -o -name serverstart.sh
-  -o -name ServerStartLinux.sh
-  -o -name LaunchServer.sh
-  -o -name server-start.sh
-  -o -name start-server.sh
-  -o -name startserver.sh
-  -o -name StartServer.sh
-  -o -name run.sh
-  "
 
-if [[ -d ${FTB_BASE_DIR} ]]; then
-  startScriptCount=$(find "${FTB_BASE_DIR}" $entryScriptExpr |wc -l)
-  if (( startScriptCount > 1 )); then
-    log "Conflicting FTB/CurseForge packages have been installed. Please cleanup ${FTB_BASE_DIR}"
-    exit 2
+findStartScript() {
+  entryScriptExpr=(
+    -name ServerStart.sh
+    -o -name serverstart.sh
+    -o -name ServerStartLinux.sh
+    -o -name LaunchServer.sh
+    -o -name server-start.sh
+    -o -name start-server.sh
+    -o -name startserver.sh
+    -o -name StartServer.sh
+    -o -name run.sh
+  )
+
+  if [ -d "${FTB_BASE_DIR}" ]; then
+    find "${FTB_BASE_DIR}" \( "${entryScriptExpr[@]}" \) -print -quit
   fi
-else
-  startScriptCount=0
-fi
+}
+
+startScript=$(findStartScript)
 
 # only download and install if a mod pack isn't already installed
 # also check for the start script rather than just the folder
 # this allows saving just the world separate from the rest of the data directory
-if [[ $startScriptCount = 0 ]]; then
+if [[ ! $startScript ]]; then
   downloadModpack
   srv_modpack=${FTB_SERVER_MOD}
   
@@ -169,49 +168,49 @@ if [[ $startScriptCount = 0 ]]; then
   mkdir -p "${FTB_BASE_DIR}"
   unzip -o "${srv_modpack}" -d "${FTB_BASE_DIR}" | awk '{printf "."} END {print ""}'
 
-  installScript=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f -name install.sh)
+  installScriptExpr=(
+    -name install.sh
+    -o -name FTBInstall.sh
+    -o -name Install.sh
+  )
+
+  installScript=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f \( "${installScriptExpr[@]}" \) -print -quit)
   if [[ "$installScript" ]]; then
     (
       cd "$(dirname "${installScript}")"
-      chmod +x ./install.sh
-      log "Running included install.sh. This might take a minute or two..."
-      ./install.sh > install.log
+      chmod +x "${installScript}"
+      log "Running included $(basename "${installScript}"). This might take a minute or two..."
+      "${installScript}" > install.log
     )
   fi
+
+  startScript=$(findStartScript)
 fi
 
-if [[ $(find "${FTB_BASE_DIR}" $entryScriptExpr | wc -l) = 0 ]]; then
+# start script provided by unzipped+installed modpack?
+if [[ ! $startScript ]]; then
+  # no, then look for a forge jar to run
 
-    # Allow up to 2 levels since some modpacks have a top-level directory named
-    # for the modpack
-    forgeJar=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f \( -path "/libraries/*" -o -path "/mods/*" \) -prune -o -name "forge*.jar" -not -name "forge*installer.jar" -print)
-    if [[ "$forgeJar" ]]; then
-      FTB_BASE_DIR=$(dirname "${forgeJar}")
-      export FTB_BASE_DIR
-      log "No entry script found, so building one for ${forgeJar}"
-      cat > "${FTB_BASE_DIR}/ServerStart.sh" <<EOF
+  # Allow up to 2 levels since some modpacks have a top-level directory named for the modpack
+  forgeJar=$(find "${FTB_BASE_DIR}" -maxdepth 2 -type f \( -path "/libraries/*" -o -path "/mods/*" \) -prune -o -name "forge*.jar" -not -name "forge*installer.jar" -print)
+  if [[ "$forgeJar" ]]; then
+    FTB_BASE_DIR=$(dirname "${forgeJar}")
+    export FTB_BASE_DIR
+    log "No entry script found, so building one for ${forgeJar}"
+    cat > "${FTB_BASE_DIR}/ServerStart.sh" <<EOF
 #!/bin/sh
 . ./settings-local.sh
 java \${JAVA_PARAMETERS} -Xmx\${MAX_RAM} -jar $(basename "${forgeJar}") nogui
 EOF
-      chmod +x "${FTB_BASE_DIR}/ServerStart.sh"
-    else
-      log "Please make sure you are using the server version of the FTB modpack!"
-      exit 2
-    fi
+    startScript="${FTB_BASE_DIR}/ServerStart.sh"
+    chmod +x "$startScript"
+  else
+    log "ERROR: Modpack missing start script and unable to find Forge jar to generate one"
+    exit 2
+  fi
 fi
 
-scriptCount=$(find "${FTB_BASE_DIR}" $entryScriptExpr | wc -l)
-if [[ $scriptCount = 0 ]]; then
-    log "Please make sure you are using the server version of the FTB modpack!"
-    exit 2
-elif (( scriptCount > 1 )); then
-    log "Ambiguous startup scripts in FTB modpack! Found:"
-    find "${FTB_BASE_DIR}" $entryScriptExpr
-    exit 2
-fi
-
-FTB_SERVER_START=$(find "${FTB_BASE_DIR}" $entryScriptExpr)
+FTB_SERVER_START="$startScript"
 export FTB_SERVER_START
 
 FTB_DIR=$(dirname "${FTB_SERVER_START}")
@@ -230,15 +229,5 @@ if isTrue "${FTB_LEGACYJAVAFIXER}" && [ ! -e "${legacyJavaFixerPath}" ]; then
   fi
 fi
 
-if [ -e "${FTB_DIR}/FTBInstall.sh" ]; then
-  pushd "${FTB_DIR}"
-  sh FTBInstall.sh
-  popd
-elif [ -e "${FTB_DIR}/Install.sh" ]; then
-  pushd "${FTB_DIR}"
-  sh Install.sh
-  popd
-fi
-
 export FAMILY=FORGE
 exec "${SCRIPTS:-/}start-setupWorld" "$@"
diff --git a/tests/setuponlytests/vanillatweaks_file/docker-compose.yml b/tests/setuponlytests/vanillatweaks_file/docker-compose.yml.disabled
similarity index 100%
rename from tests/setuponlytests/vanillatweaks_file/docker-compose.yml
rename to tests/setuponlytests/vanillatweaks_file/docker-compose.yml.disabled