Dockerize the callback server.

PiperOrigin-RevId: 775648064
Change-Id: Ia82c30cd8fd6346972798b947b9524ce79c74ff8

Author: tooryx

Dockerfile

@@ -0,0 +1,28 @@
+# Stage 1: Build phase
+
+FROM ubuntu:latest AS build
+
+## Dependencies
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends openjdk-21-jdk \
+ && rm -rf /var/lib/apt/lists/* \
+ && rm -rf /usr/share/doc && rm -rf /usr/share/man \
+ && apt-get clean
+
+# Compile the callback server
+
+WORKDIR /usr/repos/tsunami-security-scanner-callback-server
+COPY . .
+RUN ./gradlew shadowJar
+RUN mkdir /usr/tsunami
+RUN find . -name 'tcs-main-*.jar' -exec cp {} /usr/tsunami/tsunami-tcs.jar \; \
+    && cp tcs_config.yaml /usr/tsunami/tcs_config.yaml
+
+## Stage 2: Release
+
+FROM scratch AS release
+
+# Copy previous build results
+COPY --from=build /usr/tsunami/tsunami-tcs.jar /usr/tsunami/
+COPY --from=build /usr/tsunami/tcs_config.yaml /usr/tsunami/