diff --git a/Dockerfile b/Dockerfile
index 8cba4e9..b2d5d74 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -66,7 +66,7 @@ RUN curl -fSsL -A "Mozilla/5.0" https://packages.microsoft.com/keys/microsoft.as
     && apt-get update
 RUN apt-get install -y --no-install-recommends \
     git \
-    openjdk-25-jdk-headless \
+    openjdk-21-jdk-headless \
     libstdc++6 \
     make \
     po-debconf \
@@ -103,6 +103,24 @@ RUN <<EOF
         "qemu-system-arm=${VERSION_QEMU}"
 EOF
 
+ENV QT_QPA_PLATFORM=offscreen
+ENV ANDROID_EMULATOR_USE_SYSTEM_LIBS=1
+ENV ANDROID_SDK_ROOT=${ANDROID_HOME}
+
+RUN <<EOF
+    # Setup avd
+
+    echo "hw.ramSize = 3072"     >> ${ANDROID_AVD_HOME}/postit_test_avd.ini
+    echo "hw.ramSize = 2048"     >> ${ANDROID_AVD_HOME}/postit_test_avd.ini
+    echo "hw.heapSize = 256"     >> ${ANDROID_AVD_HOME}/postit_test_avd.ini
+    echo "hw.gpu.enabled = yes"  >> ${ANDROID_AVD_HOME}/postit_test_avd.ini
+    echo "hw.gpu.mode = host"    >> ${ANDROID_AVD_HOME}/postit_test_avd.ini
+
+    echo "Vulkan = off"          >> ${ANDROID_AVD_HOME}/advancedFeatures.ini
+    echo "enableHostVulkan = no" >> ${ANDROID_AVD_HOME}/advancedFeatures.ini
+    echo "GLDirectMem = off"     >> ${ANDROID_AVD_HOME}/advancedFeatures.ini
+EOF
+
 # Installation du workload .NET Android
 RUN dotnet workload install android --skip-manifest-update