Add Dockerfile and docker-compose for vc-web hosting

Dockerfile

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+# @see https://github.com/1EdTech/digital-credentials-public-validator/tree/main
+# Developer: Tested with Java 17 and Maven 3.8.6
+FROM maven:3.8.6-openjdk-11-slim
+
+# Define application dir
+WORKDIR /app
+
+# Copy sourcecode into application dir
+COPY . /app
+
+# Use maven to build the application
+RUN mvn clean verify
+
+# Expose network ports 
+EXPOSE 8080
+
+# We want to start web service 
+WORKDIR /app/inspector-vc-web
+
+# Start web application
+ENTRYPOINT ["mvn", "spring-boot:run"]

docker-compose.yml

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+services: 
+  validator: 
+    build: 
+      context: ./
+      dockerfile: Dockerfile
+    ports:
+      - "8080:8080"