Updated on 2026-08-14

Dockerfile

@@ -0,0 +1,50 @@
+FROM ubuntu:24.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV ANDROID_HOME=/opt/android-sdk
+ENV BUNDLE_PATH=vendor/bundle
+ENV PATH=$PATH:$ANDROID_HOME/cmdline-tools/latest/bin:$ANDROID_HOME/platform-tools:$ANDROID_HOME/build-tools/34.0.0:$BUNDLE_PATH/bin
+ENV LC_ALL=en_US.UTF-8
+ENV LANG=en_US.UTF-8
+
+RUN apt-get update && apt-get install -y \
+    openjdk-17-jdk \
+    wget \
+    unzip \
+    curl \
+    git \
+    ruby \
+    ruby-dev \
+    build-essential \
+    && apt-get clean
+
+RUN mkdir -p $ANDROID_HOME/cmdline-tools/latest && \
+    wget https://dl.google.com/android/repository/commandlinetools-linux-9477386_latest.zip -O /tmp/cmdline-tools.zip && \
+    unzip /tmp/cmdline-tools.zip -d $ANDROID_HOME/cmdline-tools/latest && \
+    mv $ANDROID_HOME/cmdline-tools/latest/cmdline-tools/* $ANDROID_HOME/cmdline-tools/latest/ && \
+    rm -rf $ANDROID_HOME/cmdline-tools/latest/cmdline-tools && \
+    rm -f /tmp/cmdline-tools.zip && \
+    yes | $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager --licenses && \
+    $ANDROID_HOME/cmdline-tools/latest/bin/sdkmanager "platform-tools" "platforms;android-31" "platforms;android-34" "build-tools;34.0.0"
+
+# aapt2 requires libs that are not provided in arm64 ubuntu image
+RUN  mkdir                                          /lib/x86_64-linux-gnu
+COPY ci_resources/x86_64_libs/libc.so.6             /lib/x86_64-linux-gnu/libc.so.6
+COPY ci_resources/x86_64_libs/libdl.so.2            /lib/x86_64-linux-gnu/libdl.so.2
+COPY ci_resources/x86_64_libs/libgcc_s.so.1         /lib/x86_64-linux-gnu/libgcc_s.so.1
+COPY ci_resources/x86_64_libs/libm.so.6             /lib/x86_64-linux-gnu/libm.so.6
+COPY ci_resources/x86_64_libs/libpthread.so.0       /lib/x86_64-linux-gnu/libpthread.so.0
+COPY ci_resources/x86_64_libs/librt.so.1            /lib/x86_64-linux-gnu/librt.so.1
+RUN  mkdir                                          /lib64
+COPY ci_resources/x86_64_libs/ld-linux-x86-64.so.2  /lib64/ld-linux-x86-64.so.2
+
+RUN gem install bundler:2.5.23
+RUN gem install fastlane -v 2.211.0 -N -V
+RUN gem install fastlane-plugin-firebase_app_distribution -v 0.9.1 -N -V
+
+COPY Gemfile Gemfile.lock ./
+RUN bundle install --jobs=4 --retry=3 --verbose
+
+RUN bundle exec fastlane -v
+
+CMD ["bash"]

ci_resources/8gb_ram_ci_gradle.properties

@@ -0,0 +1,12 @@
+org.gradle.jvmargs=-Xmx6g -XX:MaxMetaspaceSize=512m -XX:+UseParallelGC -XX:ParallelGCThreads=3 -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8
+org.gradle.parallel=true
+org.gradle.workers.max=3
+org.gradle.daemon=false
+org.gradle.unsafe.configuration-cache=false
+org.gradle.console=plain
+org.gradle.caching=false
+
+android.useAndroidX=true
+android.nonTransitiveRClass=false
+
+kotlin.incremental=false

fastlane/Fastfile

@@ -23,6 +23,8 @@ platform :android do
 
   desc "Runs all the tests"
   lane :test do
+    FileUtils.cp("../ci_resources/8gb_ram_ci_gradle.properties", "../gradle.properties")
+    puts File.read("../gradle.properties")
     gradle(task: "detekt")
     gradle(task: "testDebugUnitTest")
   end