added variable for setting applicaiton path

Dockerfile

@@ -2,9 +2,10 @@ FROM java:8
 
 WORKDIR /validator
 COPY target/lib/jetty-runner* /validator/jetty-runner.jar
-COPY target/*.war /validator/swagger-validator.war
+COPY bin/run.sh /validator/
+ADD target/swagger-validator-1.0.3 /validator/webapp
 
 RUN apt-get update
 
 EXPOSE 8080
-CMD ["java", "-jar", "/validator/jetty-runner.jar", "/validator/swagger-validator.war"]
+CMD ["bash", "/validator/run.sh"]

bin/run.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -e
+
+# use default basePath if none supplied
+if [ -z $SWAGGER_BASE_PATH ]; then SWAGGER_BASE_PATH="/*"
+else
+  SWAGGER_BASE_PATH="$SWAGGER_BASE_PATH/*"
+fi
+
+# make it safe for sed
+BASE_PATH=$(sed -e 's,/,\\/,g' <<< $SWAGGER_BASE_PATH)
+
+sed -i "s/<url-pattern>\/\*/<url-pattern>$BASE_PATH/g" /validator/webapp/WEB-INF/web.xml
+
+java -jar /validator/jetty-runner.jar /validator/webapp