diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ba215ef
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+apk/ToyKey.keystore
+apk/obj
+apk/obj/*
+apk/bin/!.gikeep
diff --git a/Dockerfile b/Dockerfile
index 3e5de88..235545d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,7 @@
-FROM alpine:latest
+FROM archlinux:latest
 
-RUN apk update 
-RUN apk add coreutils bash shadow make zip
-RUN apk add openjdk11-jdk
+RUN pacman -Syu --noconfirm
+RUN pacman -S --noconfirm coreutils bash shadow make unzip jdk11-openjdk wget
 ENV ANDROID_SDK_ROOT="/opt/android"
 ENV BUILD_TOOLS_LATEST="$ANDROID_SDK_ROOT/cmdline-tools/latest"
 RUN BUILD_TOOLS="$(realpath -m "$BUILD_TOOLS_LATEST/..")";\
@@ -16,12 +15,15 @@ RUN BUILD_TOOLS="$(realpath -m "$BUILD_TOOLS_LATEST/..")";\
     rm cmdline-tools.zip;\
     mv -v cmdline-tools "$BUILD_TOOLS_LATEST" || true
 ENV PATH="$PATH:$BUILD_TOOLS_LATEST/bin"
+ENV JAVA_HOME="/usr/lib/jvm/java-11-openjdk/"
+#ENTRYPOINT bash -c 'sleep 10000'
 ENV LIBRARY_PATH="$LIBRARY_PATH:$BUILD_TOOLS_LATEST/lib"
-
+RUN touch /file
 RUN yes | sdkmanager --install "build-tools;33.0.2"
 RUN yes | sdkmanager --install "platforms;android-33"
-RUN apk add setpriv
+#RUN apk add setpriv
 COPY entrypoint.sh /entrypoint.sh
 RUN chown 0:0 /entrypoint.sh
 RUN chmod 0700 /entrypoint.sh
-ENTRYPOINT ["/entrypoint.sh"]
+RUN touch /file2
+#
diff --git a/Dockerfile.alpine b/Dockerfile.alpine
new file mode 100644
index 0000000..281166c
--- /dev/null
+++ b/Dockerfile.alpine
@@ -0,0 +1,27 @@
+FROM alpine:latest
+
+RUN apk update 
+RUN apk add coreutils bash shadow make zipi gcompat libgcc libc++
+RUN apk add openjdk11-jdk
+ENV ANDROID_SDK_ROOT="/opt/android"
+ENV BUILD_TOOLS_LATEST="$ANDROID_SDK_ROOT/cmdline-tools/latest"
+RUN BUILD_TOOLS="$(realpath -m "$BUILD_TOOLS_LATEST/..")";\
+    mkdir -p "$BUILD_TOOLS";\
+    cd "$BUILD_TOOLS";\
+    pwd;\
+    wget -O cmdline-tools.zip https://dl.google.com/android/repository/commandlinetools-linux-9477386_latest.zip;\
+    unzip cmdline-tools.zip;\
+    ls ;\
+    ls cmdline-tools;\
+    rm cmdline-tools.zip;\
+    mv -v cmdline-tools "$BUILD_TOOLS_LATEST" || true
+ENV PATH="$PATH:$BUILD_TOOLS_LATEST/bin"
+ENV LIBRARY_PATH="$LIBRARY_PATH:$BUILD_TOOLS_LATEST/lib"
+
+RUN yes | sdkmanager --install "build-tools;33.0.2"
+RUN yes | sdkmanager --install "platforms;android-33"
+RUN apk add setpriv
+COPY entrypoint.sh /entrypoint.sh
+RUN chown 0:0 /entrypoint.sh
+RUN chmod 0700 /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]
diff --git a/apk/AndroidManifest.xml b/apk/AndroidManifest.xml
new file mode 100644
index 0000000..bdfa76e
--- /dev/null
+++ b/apk/AndroidManifest.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+      package="com.example.hellojni"
+      android:versionCode="3"
+      android:versionName="3.0">
+    <uses-sdk android:minSdkVersion="30"
+    android:targetSdkVersion="33"/>
+   <!-- android:maxSdkVersion="integer" /> -->
+    <application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
+        <activity android:name="HelloJNI"
+                  android:exported="true"
+                  android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/apk/Makefile b/apk/Makefile
index 4aecfa5..eb5ee31 100644
--- a/apk/Makefile
+++ b/apk/Makefile
@@ -1,12 +1,14 @@
-JAVA_HONE = /usr/lib/jvm/java-8-openjdk
-ANDROID_HOME = /root/sdk
+#JAVA_HONE = /usr/lib/jvm/java-8-openjdk
+ANDROID_HOME = /opt/android
+ANDROID_VERSION = 33.0.2
+PLATFORM = android-$(shell echo $(ANDROID_VERSION) | sed 's/\..*//')
 TOOLCHAIN = /Users/amon/grive/development/Android/NativeToolchain
 GCC = $(TOOLCHAIN)/bin/aarch64-linux-android-gcc
 CXX_FLAGS = -march=armv8-a --sysroot=$(TOOLCHAIN)/sysroot
 
 
 say_hello:
-	echo "this was a test"
+	echo "this was a test $(PLATFORM)"
 
 all: build deploy 
 
@@ -19,19 +21,26 @@ deploy :
 
 build : ./bin/hellojni.apk
 
-./bin/hellojni.apk :  ./bin/signed.apk
-	$(ANDROID_HOME)/build-tools/23.0.3/zipalign -v -f 4 $< $@
+#./bin/hellojni.apk : ./bin/aligned.apk 
+#	j
+#    cp $< $@
+
+./bin/hellojni.apk : ./bin/signed.apk
+	$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/zipalign -v -f 4 $< $@
+	$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/apksigner sign --ks ToyKey.keystore $@
 	
-./bin/signed.apk :  ./bin/unsigned.apk ./ToyKey.keystore
-	$(JAVA_HOME)/bin/jarsigner -verbose -keystore ./ToyKey.keystore -storepass armena -keypass armena -signedjar $@ $< helljniKey
+./bin/signed.apk : ./bin/unsigned.apk ./ToyKey.keystore
+	#$(JAVA_HOME)/bin/jarsigner -verbose -keystore ./ToyKey.keystore -storepass armena -keypass armena -signedjar $@ $< helljniKey
+	jarsigner -verbose -keystore ./ToyKey.keystore -storepass armena -keypass armena -signedjar $@ $< helljniKey
 		
 ./bin/unsigned.apk : ./bin/classes.dex 
-	$(ANDROID_HOME)/build-tools/23.0.3/aapt package -v -f -M ./AndroidManifest.xml -S ./res \
-	-I $(ANDROID_HOME)/platforms/android-23/android.jar -F $@ ./bin
+	$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/aapt package -v -f -M ./AndroidManifest.xml -S ./res \
+	-I $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar -F $@ ./bin
 #	$(ANDROID_HOME)/build-tools/23.0.3/aapt add $@ lib/arm64-v8a/libhello.so
 		
 ./bin/classes.dex : ./obj/com/example/hellojni/HelloJni.class
-	$(ANDROID_HOME)/build-tools/23.0.3/dx --dex --verbose --output=$@ ./obj
+	#$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/d8 --dex --verbose --output=$@ ./obj
+	$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/d8 $(shell find obj -name '*.class') --lib $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar --output bin
 	
 #./lib/arm64-v8a/libhello.so : ./jni/hello.o
 #	$(GCC) -shared $< -o $@
@@ -40,14 +49,17 @@ build : ./bin/hellojni.apk
 #	$(GCC) $(CXX_FLAGS) -fPIC -c $< -o $@
 		
 ./src/com/example/hellojni/R.java : $(shell find ./res -type f)
-	$(ANDROID_HOME)/build-tools/23.0.3/aapt package -v -f -m  -S ./res -J ./src -M ./AndroidManifest.xml \
-	-I $(ANDROID_HOME)/platforms/android-23/android.jar
+	$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/aapt package -v -f -m  -S ./res -J ./src -M ./AndroidManifest.xml \
+	-I $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar
 
 ./obj/com/example/hellojni/HelloJni.class : ./src/com/example/hellojni/HelloJNI.java  ./src/com/example/hellojni/R.java
-	$(JAVA_HOME)/bin/javac -source 7 -target 7 -d ./obj -classpath $(ANDROID_HOME)/platforms/android-23/android.jar -sourcepath ./src $<
+	#$(JAVA_HOME)/bin/javac -source 7 -target 7 -d ./obj -classpath $(ANDROID_HOME)/platforms/$(PLATFORMgg)/android.jar -sourcepath ./src $<
+	#javac -source 7 -target 7 -d ./obj -classpath $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar -sourcepath ./src $<
+	javac -d ./obj -classpath $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar -sourcepath ./src $<
 	
 ./ToyKey.keystore : 
-	$(JAVA_HOME)/bin/keytool -genkeypair -validity 1000 -dname "CN=some company,O=Android,C=JPN" -keystore $@ \
+	#$(JAVA_HOME)/bin/keytool -genkeypair -validity 1000 -dname "CN=some company,O=Android,C=JPN" -keystore $@ 
+	keytool -genkeypair -validity 1000 -dname "CN=some company,O=Android,C=JPN" -keystore $@ \
 	-storepass armena -keypass armena -alias helljniKey -keyalg RSA -v
 	
 clean:
diff --git a/apk/bin/.gitkeep b/apk/bin/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/apk/res/drawable-hdpi/ic_launcher.png b/apk/res/drawable-hdpi/ic_launcher.png
new file mode 100644
index 0000000..96a442e
Binary files /dev/null and b/apk/res/drawable-hdpi/ic_launcher.png differ
diff --git a/apk/res/drawable-ldpi/ic_launcher.png b/apk/res/drawable-ldpi/ic_launcher.png
new file mode 100644
index 0000000..9923872
Binary files /dev/null and b/apk/res/drawable-ldpi/ic_launcher.png differ
diff --git a/apk/res/drawable-mdpi/ic_launcher.png b/apk/res/drawable-mdpi/ic_launcher.png
new file mode 100644
index 0000000..359047d
Binary files /dev/null and b/apk/res/drawable-mdpi/ic_launcher.png differ
diff --git a/apk/res/drawable-xhdpi/ic_launcher.png b/apk/res/drawable-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..71c6d76
Binary files /dev/null and b/apk/res/drawable-xhdpi/ic_launcher.png differ
diff --git a/apk/res/layout/main.xml b/apk/res/layout/main.xml
new file mode 100644
index 0000000..611c794
--- /dev/null
+++ b/apk/res/layout/main.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical"
+    android:layout_width="fill_parent"
+    android:layout_height="fill_parent"
+    >
+<TextView
+    android:layout_width="fill_parent"
+    android:layout_height="wrap_content"
+    android:text="Hello World, HelloJni"
+    />
+</LinearLayout>
+
diff --git a/apk/res/values/strings.xml b/apk/res/values/strings.xml
new file mode 100644
index 0000000..c526073
--- /dev/null
+++ b/apk/res/values/strings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">HelloJni</string>
+</resources>
diff --git a/apk/src/com/example/hellojni/HelloJNI.java b/apk/src/com/example/hellojni/HelloJNI.java
new file mode 100644
index 0000000..215ad5d
--- /dev/null
+++ b/apk/src/com/example/hellojni/HelloJNI.java
@@ -0,0 +1,29 @@
+package com.example.hellojni;
+
+import android.util.Log;
+import android.widget.TextView;
+import android.app.Activity;
+import android.os.Bundle;
+
+public class HelloJNI extends Activity
+{
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        TextView  tv = new TextView(this);
+        tv.setText( "hallo " );
+        //stringFromJNI() );
+        // tv.setText("sup");
+        setContentView(tv);
+    }
+	
+    public native String  stringFromJNI();
+	
+/*    static {
+		Log.i("amo", "Trying to load shared library!");
+        System.loadLibrary("hellojni");
+    }
+    */
+}
diff --git a/apk/src/com/example/hellojni/R.java b/apk/src/com/example/hellojni/R.java
new file mode 100644
index 0000000..1087387
--- /dev/null
+++ b/apk/src/com/example/hellojni/R.java
@@ -0,0 +1,22 @@
+/* AUTO-GENERATED FILE.  DO NOT MODIFY.
+ *
+ * This class was automatically generated by the
+ * aapt tool from the resource data it found.  It
+ * should not be modified by hand.
+ */
+
+package com.example.hellojni;
+
+public final class R {
+    public static final class attr {
+    }
+    public static final class drawable {
+        public static final int ic_launcher=0x7f020000;
+    }
+    public static final class layout {
+        public static final int main=0x7f030000;
+    }
+    public static final class string {
+        public static final int app_name=0x7f040000;
+    }
+}
diff --git a/docker-compose.yml b/docker-compose.yml
index f7c456c..baa0537 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,6 +4,6 @@ services:
     build:
       context: .
     stop_grace_period: 1s  
-      #command: ["id; sleep infinity"]
+    command: sh -c 'id; sleep infinity'
     volumes:
       - ./apk:/apk