initial project setup

services/api-gateway/Dockerfile.dev

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+FROM openjdk:17-jdk-slim
+
+WORKDIR /app
+
+# Install Maven
+RUN apt-get update && apt-get install -y maven && rm -rf /var/lib/apt/lists/*
+
+# Copy Maven files
+COPY pom.xml .
+
+# Download dependencies
+RUN mvn dependency:go-offline -B
+
+# Copy source code
+COPY src ./src
+
+# Expose port
+EXPOSE 8080
+
+# Run in development mode with hot reload
+CMD ["mvn", "spring-boot:run", "-Dspring-boot.run.jvmArguments='-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005'"]