Upgrade Flyway and fix Dockerfile. (#1110)

Author: bcipriano

sandbox/flyway.Dockerfile

@@ -1,16 +1,20 @@
 FROM centos
 
+ARG FLYWAY_VERSION=8.5.4
+
 # Get flyway
-RUN ["curl", "-O", "https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/6.0.0/flyway-commandline-6.0.0-linux-x64.tar.gz"]
-RUN ["yum", "install", "-y", "tar", "java-1.8.0-openjdk", "postgresql-jdbc", "nc", "postgresql"]
-RUN ["tar", "-xzf", "flyway-commandline-6.0.0-linux-x64.tar.gz"]
+RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
+RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
+RUN yum install -y tar java-1.8.0-openjdk postgresql-jdbc nc postgresql
+RUN curl -O https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/${FLYWAY_VERSION}/flyway-commandline-${FLYWAY_VERSION}-linux-x64.tar.gz
+RUN tar -xzf flyway-commandline-${FLYWAY_VERSION}-linux-x64.tar.gz
 
-WORKDIR flyway-6.0.0
+WORKDIR flyway-${FLYWAY_VERSION}
 
 # Copy the postgres driver to its required location
-RUN ["cp", "/usr/share/java/postgresql-jdbc.jar", "jars/"]
-RUN ["mkdir", "/opt/migrations"]
-RUN ["mkdir", "/opt/scripts"]
+RUN cp /usr/share/java/postgresql-jdbc.jar jars/
+RUN mkdir /opt/migrations
+RUN mkdir /opt/scripts
 COPY ./cuebot/src/main/resources/conf/ddl/postgres/migrations /opt/migrations
 COPY ./cuebot/src/main/resources/conf/ddl/postgres/seed_data.sql /opt/scripts
 COPY ./sandbox/migrate.sh /opt/scripts/