diff --git a/README.md b/README.md
index b2ff15c..be41ae2 100644
--- a/README.md
+++ b/README.md
@@ -142,15 +142,22 @@ docker build \
 ```
 
 ### Variables
+## Default variables
 
 #### Disable animation
 DISABLE_ANIMATION=false
 
 #### Disable hidden policy
-DISABLE_HIDDEN_POLICY=true
+DISABLE_HIDDEN_POLICY=false
 
-#### skip adb authentication
-SKIP_AUTH=false
+#### Skip adb authentication
+SKIP_AUTH=true
+
+#### Memory for emulator
+MEMORY=8192
+
+#### Cores for emulator
+CORES=4
 
 ### Mount an external drive in the container
 
diff --git a/docker-compose.yml b/docker-compose.yml
index 4df14ef..7fda6d3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,7 @@
 version: "4"
 services:
   android-emulator:
-    build: 
+    build:
       context: .
       args:
         - API_LEVEL=34
@@ -15,14 +15,16 @@ services:
       - DISABLE_HIDDEN_POLICY=true
       - SKIP_AUTH=false
       #- ANDROID_ADB_SERVER_ADDRESS=host.docker.internal
-    privileged: true 
+      - MEMORY=16384
+      - CORES=16
+    privileged: true
     tty: true
     stdin_open: true
     volumes:
       - ./keys/adbkey:/root/.android/adbkey:ro
       - ./keys/adbkey.pub:/root/.android/adbkey.pub:ro
     extra_hosts:
-      - "host.docker.internal:host-gateway"  
+      - "host.docker.internal:host-gateway"
 
   android-emulator-cuda:
     build:
@@ -40,14 +42,16 @@ services:
       - DISABLE_HIDDEN_POLICY=true
       - SKIP_AUTH=false
       #- ANDROID_ADB_SERVER_ADDRESS=host.docker.internal
-    privileged: true 
+      - MEMORY=16384
+      - CORES=16
+    privileged: true
     tty: true
     stdin_open: true
     volumes:
       - ./keys/adbkey:/root/.android/adbkey:ro
       - ./keys/adbkey.pub:/root/.android/adbkey.pub:ro
     extra_hosts:
-      - "host.docker.internal:host-gateway"  
+      - "host.docker.internal:host-gateway"
     deploy:
       resources:
         reservations:
@@ -72,7 +76,9 @@ services:
       - DISABLE_HIDDEN_POLICY=true
       - SKIP_AUTH=false
       #- ANDROID_ADB_SERVER_ADDRESS=host.docker.internal
-    privileged: true 
+      - MEMORY=16384
+      - CORES=16
+    privileged: true
     tty: true
     stdin_open: true
     volumes:
@@ -81,7 +87,7 @@ services:
     # volumes:
     #   - ./:/mnt
     extra_hosts:
-      - "host.docker.internal:host-gateway"  
+      - "host.docker.internal:host-gateway"
     deploy:
       resources:
         reservations:
@@ -89,4 +95,3 @@ services:
             - driver: nvidia
               count: 1
               capabilities: [gpu]
-  
\ No newline at end of file
diff --git a/scripts/start-emulator.sh b/scripts/start-emulator.sh
index 36e1868..9bd5066 100644
--- a/scripts/start-emulator.sh
+++ b/scripts/start-emulator.sh
@@ -4,13 +4,13 @@ set -e
 
 source ./emulator-monitoring.sh
 
-# The emulator console port. 
+# The emulator console port.
 EMULATOR_CONSOLE_PORT=5554
 # The ADB port used to connect to ADB.
 ADB_PORT=5555
-MEMORY=16048
-CORES=10
-SKIP_AUTH=true
+OPT_MEMORY=${MEMORY:-8192}
+OPT_CORES=${CORES:-4}
+OPT_SKIP_AUTH=${SKIP_AUTH:-true}
 AUTH_FLAG=
 # Start ADB server by listening on all interfaces.
 echo "Starting the ADB server ..."
@@ -34,7 +34,7 @@ echo no | avdmanager create avd \
   --package "$PACKAGE_PATH" \
   --device "$DEVICE_ID"
 
-if [ "$SKIP_AUTH" == "true" ]; then
+if [ "$OPT_SKIP_AUTH" == "true" ]; then
   AUTH_FLAG="-skip-adb-auth"
 fi
 
@@ -55,17 +55,18 @@ fi
 wait_for_boot &
 
 # Start the emulator with no audio, no GUI, and no snapshots.
-echo "Starting the emulator ... "
-echo "OPTIONS: "
-echo  "GPU - $GPU_MODE"
-echo "MEMORY - $MEMORY"
-echo "CORES - $CORES"
+echo "Starting the emulator ..."
+echo "OPTIONS:"
+echo "ADB AUTH - $OPT_SKIP_AUTH"
+echo "GPU      - $GPU_MODE"
+echo "MEMORY   - $OPT_MEMORY"
+echo "CORES    - $OPT_CORES"
 emulator \
   -avd android \
   -gpu "$GPU_MODE" \
-  -memory $MEMORY \
+  -memory $OPT_MEMORY \
   -no-boot-anim \
-  -cores $CORES \
+  -cores $OPT_CORES \
   -ranchu \
   $AUTH_FLAG \
   -no-window \
@@ -73,4 +74,4 @@ emulator \
 
 
   # -qemu \
-  # -smp 8,sockets=1,cores=4,threads=2,maxcpus=8 
\ No newline at end of file
+  # -smp 8,sockets=1,cores=4,threads=2,maxcpus=8
\ No newline at end of file