Update Android job to use docker image with go preinstalled

Author: danrmiller

.github/workflows/build.yaml

@@ -19,11 +19,14 @@ jobs:
 
   build-linux:
     runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+      packages: read
     container:
-      image: stackwallet/stackwallet-ci:latest
+      image: ghcr.io/${{ github.repository_owner }}/stackwallet-ci:latest
       credentials:
-        username: ${{ secrets.DOCKERHUB_USERNAME }}
-        password: ${{ secrets.DOCKERHUB_TOKEN }}
+        username: ${{ github.actor }}
+        password: ${{ github.token }}
     steps:
       - uses: actions/checkout@v6
         with:
@@ -90,11 +93,14 @@ jobs:
 
   build-android:
     runs-on: ubuntu-24.04
+    permissions:
+      contents: read
+      packages: read
     container:
-      image: stackwallet/stackwallet-ci:latest
+      image: ghcr.io/${{ github.repository_owner }}/stackwallet-ci:latest
       credentials:
-        username: ${{ secrets.DOCKERHUB_USERNAME }}
-        password: ${{ secrets.DOCKERHUB_TOKEN }}
+        username: ${{ github.actor }}
+        password: ${{ github.token }}
     steps:
       - uses: actions/checkout@v6
         with:

Dockerfile

@@ -67,6 +67,13 @@ RUN mkdir -p "$ANDROID_SDK_ROOT/cmdline-tools" \
       "ndk;28.2.13676358" \
  && chmod -R a+rwX "$ANDROID_SDK_ROOT"
 
+ENV PATH=/usr/local/go/bin:$PATH
+
+RUN curl -fsSL https://go.dev/dl/go1.24.13.linux-amd64.tar.gz -o /tmp/go.tar.gz \
+ && echo "1fc94b57134d51669c72173ad5d49fd62afb0f1db9bf3f798fd98ee423f8d730  /tmp/go.tar.gz" | sha256sum -c \
+ && tar -C /usr/local -xzf /tmp/go.tar.gz \
+ && rm /tmp/go.tar.gz
+
 ENV FLUTTER_HOME=/opt/flutter \
     PATH=/opt/flutter/bin:/opt/flutter/bin/cache/dart-sdk/bin:$PATH
 
@@ -78,7 +85,7 @@ RUN git clone --depth 1 --branch 3.38.1 https://github.com/flutter/flutter.git "
 
 RUN git config --system --add safe.directory '*'
 
-RUN flutter --version && rustc --version && cargo --version && node --version
+RUN flutter --version && rustc --version && cargo --version && node --version && go version
 
 
 # Minimal image for flutter test (no Rust, no Android SDK, no cross-compilers)