make sure gitignore and dockerignore are checked in

.dockerignore

@@ -0,0 +1,3 @@
+app/pkg-temp
+app/build
+app/pkg-mavencentral

.gitignore

@@ -0,0 +1,2 @@
+etc/docker.signing.properties
+signing.properties

app/build.gradle

@@ -7,7 +7,7 @@ repositories {
 android {
     compileSdkVersion 28
     defaultConfig {
-        versionCode 4745261
+        versionCode 4745262
         versionName "$I2P_VERSION"
         minSdkVersion 14
         targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_TARGET_SDK_VERSION as String)

build.sh

@@ -0,0 +1,17 @@
+#! /usr/bin/env sh
+rm -rf app/pkg-temp app/build app/pkg-mavencentral
+docker build -t i2p.android.base .
+docker run -it \
+  -u $(id -u):$(id -g) \
+  --name i2p.android.base \
+  -v $HOME/.gnupg/:/.gnupg/:ro \
+  -v $HOME/.i2p-plugin-keys/:/.i2p-plugin-keys/:ro \
+  -v /run/user/$(id -u)/:/run/user/$(id -u)/:ro \
+  i2p.android.base
+docker cp i2p.android.base:/opt/workspace/i2p.i2p/pkg-mavencentral app/pkg-mavencentral
+docker cp i2p.android.base:/opt/workspace/i2p.i2p/mavencentral-i2p.jar app/pkg-mavencentral
+docker cp i2p.android.base:/opt/workspace/i2p.i2p/mavencentral-mstreaming.jar app/pkg-mavencentral
+docker cp i2p.android.base:/opt/workspace/i2p.i2p/mavencentral-router.jar app/pkg-mavencentral
+docker cp i2p.android.base:/opt/workspace/i2p.i2p/mavencentral-servlet-i2p.jar app/pkg-mavencentral
+docker cp i2p.android.base:/opt/workspace/i2p.i2p/mavencentral-streaming.jar app/pkg-mavencentral
+docker cp i2p.android.base:/opt/workspace/i2p.android.base/app/build/ app/build