adding drone pipeline

Dockerfile

@@ -0,0 +1,32 @@
+FROM arm32v7/fedora
+
+ENV KEYCLOAK_VERSION 11.0.0
+ENV JDBC_POSTGRES_VERSION 42.2.5
+ENV JDBC_MYSQL_VERSION 8.0.19
+ENV JDBC_MARIADB_VERSION 2.5.4
+ENV JDBC_MSSQL_VERSION 7.4.1.jre11
+
+ENV LAUNCH_JBOSS_IN_BACKGROUND 1
+ENV PROXY_ADDRESS_FORWARDING false
+ENV JBOSS_HOME /opt/jboss/keycloak
+ENV LANG en_US.UTF-8
+
+ARG GIT_REPO
+ARG GIT_BRANCH
+ARG KEYCLOAK_DIST=https://downloads.jboss.org/keycloak/$KEYCLOAK_VERSION/keycloak-$KEYCLOAK_VERSION.tar.gz
+
+USER root
+
+RUN dnf update -y && dnf install -y glibc-langpack-en gzip hostname java-11-openjdk-headless openssl tar which && dnf clean all
+
+ADD tools /opt/jboss/tools
+RUN /opt/jboss/tools/build-keycloak.sh
+
+USER 1000
+
+EXPOSE 8080
+EXPOSE 8443
+
+ENTRYPOINT [ "/opt/jboss/tools/docker-entrypoint.sh" ]
+
+CMD ["-b", "0.0.0.0"]