inital commite

Dockerfile

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+# Use the official OpenJDK base image
+FROM openjdk:21-jdk-slim
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the JAR file into the container
+COPY target/blog-0.0.1.jar /app/app.jar
+
+# Specify the command to run the JAR file
+ENTRYPOINT ["java", "-jar", "app.jar"]