Update docker build process

Dockerfile

@@ -1,12 +1,20 @@
 FROM openjdk:17-jdk-slim
 
+RUN apt-get -y update
+RUN apt-get -y install netcat
+RUN apt-get -y install curl
+
 WORKDIR /app
 
+ARG API_PORT=9000
+EXPOSE ${API_PORT}
+
 COPY .mvn/ .mvn
 COPY mvnw pom.xml ./
 COPY src ./src
 COPY bot.properties.example bot.properties ./
+COPY startup.sh ./
 
-RUN ./mvnw -q -Dmaven.test.skip=true package
+RUN ./mvnw install
 
-CMD ["java", "-jar", "target/netneutrality-jar-with-dependencies.jar"]
+CMD ["./startup.sh"]