feat: implementar microservicios transaction y anti-fraud

anti-fraud-service/.gitattributes

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+/mvnw text eol=lf
+*.cmd text eol=crlf

anti-fraud-service/.gitignore

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+HELP.md
+target/
+.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/

anti-fraud-service/.mvn/wrapper/maven-wrapper.properties

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+wrapperVersion=3.3.4
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.12/apache-maven-3.9.12-bin.zip

anti-fraud-service/Dockerfile

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+FROM docker.io/eclipse-temurin:21-jdk-alpine AS build
+
+WORKDIR /app
+
+COPY .mvn/ .mvn/
+COPY mvnw pom.xml ./
+RUN chmod +x mvnw && ./mvnw dependency:go-offline -B
+
+COPY src ./src
+RUN ./mvnw package -DskipTests -B
+
+FROM docker.io/eclipse-temurin:21-jre-alpine
+
+WORKDIR /app
+
+RUN apk add --no-cache curl && \
+    addgroup -g 1001 -S appgroup && \
+    adduser -u 1001 -S appuser -G appgroup
+
+COPY --from=build /app/target/*.jar app.jar
+
+RUN chown -R appuser:appgroup /app
+
+USER appuser
+
+EXPOSE 8081
+
+ENTRYPOINT ["java", "-jar", "app.jar"]