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docker pull jedie/buildozer
docker build -t jedie/buildozer .
keytool -genkey -v -keystore debug.keystore -alias android -keyalg RSA -keysize 2048 -validity 20000
docker run -t jedie/buildozer -v ${PWD}:/buildozer/ buildozer --verbose android release jarsigner -verbose -sigalg SHA1withRSA -digestalg SHA1 -keystore debug.keystore bin/yourapkalign.apk android zipalign -v 4 yourapk.apk yourapkalign.apk