Update Dockerfile

Updated docker file to do a full build to avoid maven central

Author: ic0ns

Dockerfile

@@ -1,12 +1,26 @@
 FROM maven:3.6.1-jdk-11 AS build-image
 WORKDIR /build
+RUN git clone https://github.com/RUB-NDS/ModifiableVariable.git 
+RUN git clone https://github.com/RUB-NDS/ASN.1-Tool.git
+RUN git clone https://github.com/RUB-NDS/X509-Attacker.git
+RUN git clone https://github.com/RUB-NDS/TLS-Attacker.git
 RUN git clone https://github.com/RUB-NDS/TLS-Scanner.git --recurse-submodules
+WORKDIR /build/ModifiableVariable
+RUN git checkout tags/3.5.0
+RUN mvn clean install -DskipTests=true
+WORKDIR /build/ASN.1-Tool
+RUN mvn clean install -DskipTests=true
+WORKDIR /build/X509-Attacker
+RUN mvn clean install -DskipTests=true
+
+WORKDIR /build/TLS-Attacker
+RUN mvn clean install -DskipTests=true
 
 WORKDIR /build/TLS-Scanner
 RUN mvn clean install -DskipTests=true
 
 #############
-FROM openjdk:8-alpine
+FROM openjdk:11
 
 COPY --from=build-image /build/TLS-Scanner/apps /apps