homework_7: add dual emulator run and cleanup

docker-compose.yml

@@ -10,7 +10,7 @@ services:
       timeout: 5s
       retries: 12
 
-  android-emulator:
+  android-emulator-1:
     image: budtmo/docker-android:emulator_13.0
     depends_on:
       - wiremock
@@ -33,3 +33,27 @@ services:
       timeout: 5s
       retries: 40
       start_period: 30s
+
+  android-emulator-2:
+    image: budtmo/docker-android:emulator_12.0
+    depends_on:
+      - wiremock
+    devices:
+      - /dev/kvm:/dev/kvm
+    ports:
+      - "4725:4723"
+      - "6081:6080"
+    environment:
+      - DEVICE=Pixel_4
+      - APPIUM=true
+      - WEB_VNC=true
+      - ENABLE_VNC=true
+      - AUTO_GRANT_PERMISSIONS=true
+      - EMULATOR_PARAMS=-no-window -no-audio -gpu swiftshader_indirect -no-snapshot -no-boot-anim
+    shm_size: 2gb
+    healthcheck:
+      test: ["CMD-SHELL", "[ \"$(cat /home/androidusr/device_status 2>/dev/null)\" = \"READY\" ]"]
+      interval: 15s
+      timeout: 5s
+      retries: 40
+      start_period: 30s