Create README and Dockerfile but not working because of Flyway migrations. TODO: run in Testcontainers

Dockerfile

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+FROM ghcr.io/graalvm/jdk-community:23 AS build
+
+WORKDIR /app
+
+COPY pom.xml .
+
+COPY mvnw .
+COPY .mvn ./.mvn
+
+COPY src ./src
+COPY openapi.yml .
+
+RUN ./mvnw -Pnative native:compile
+
+FROM alpine
+
+WORKDIR /app
+
+COPY --from=build /app/target/swisssign-challenge /app/swisssign-challenge
+
+EXPOSE 8080
+
+CMD ["./swisssign-challenge"]

README.md

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+# SwisssignChallenge
+
+## Requirements
+
+- [GraalVM 23](https://www.graalvm.org/)
+
+## Build native executable
+
+1. Make sure your `JAVA_HOME` or `GRAALVM_HOME` environment variable is correctly
+pointing to your JDK.
+1. Run `./mvnw -Pnative native:compile`.