Fix Scala/vertx-web-scala start/stop issues (#7222)

frameworks/Scala/vertx-web-scala/vertx-web-scala.dockerfile

@@ -2,13 +2,12 @@ FROM openjdk:11-jdk
 
 ARG SBT_VERSION=1.2.8
 
-RUN \
-  curl -L -o sbt-$SBT_VERSION.deb https://dl.bintray.com/sbt/debian/sbt-$SBT_VERSION.deb && \
-  dpkg -i sbt-$SBT_VERSION.deb && \
-  rm sbt-$SBT_VERSION.deb && \
-  apt-get update && \
-  apt-get install sbt && \
-  sbt sbtVersion
+# Install sbt
+RUN echo "deb https://repo.scala-sbt.org/scalasbt/debian all main" | tee /etc/apt/sources.list.d/sbt.list
+RUN echo "deb https://repo.scala-sbt.org/scalasbt/debian /" | tee /etc/apt/sources.list.d/sbt_old.list
+RUN curl -sL "https://keyserver.ubuntu.com/pks/lookup?op=get&search=0x2EE0EA64E40A89B84B2DF73499E82A75642AC823" | apt-key add
+RUN apt-get update -yqq
+RUN apt-get install -yqq sbt
 
 WORKDIR /vertx
 COPY src src