Current version of apksigner.

Dockerfile

@@ -4,12 +4,22 @@ RUN apt-get -qq update && apt-get -qq --no-install-recommends install \
    git \
    rsync \
    curl \
+   bsdtar \
    default-jdk-headless \
-   apksigner \
    python3-pip \
    python3-setuptools \
    python3-selenium \
    firefox-esr
 RUN python3 -m pip -qq install pip==21.1
 RUN python3 -m pip -qq install fdroidserver==2.0.1
+
+# install geckodriver
 RUN curl -sSL "https://github.com/mozilla/geckodriver/releases/download/v0.29.1/geckodriver-v0.29.1-linux64.tar.gz" | tar -xz -C /usr/local/bin
+RUN echo "641a14595f531742a9fbbba01eb2c70925f1b5b5ed86aee1e6573923cd95f43b  /usr/local/bin/geckodriver" | sha256sum -c -
+
+# install apksigner
+RUN curl -sSL "https://dl-ssl.google.com/android/repository/build-tools_r30.0.1-linux.zip" | bsdtar -xf -
+RUN echo "29c1c8076f257a527929d4057d8e30a23a91b9fc72c02d3a9e40b711d3d3d553  android-11/lib/apksigner.jar" | sha256sum -c -
+RUN echo "c362b2692513dbc78d29010b82ffb8dbb3a9c65f2815bcad4a4f00b291f6acb5  android-11/apksigner" | sha256sum -c -
+RUN mv android-11/lib/apksigner.jar android-11/apksigner /usr/local/bin
+RUN chmod +x /usr/local/bin/apksigner