Request different PGP servers for the Silverpeas team GPG key

Author: mmoqui

Dockerfile

@@ -81,7 +81,9 @@ LABEL name="Silverpeas Test" description="An all-to-one image to run Silverpeas
 # Fetch both Silverpeas and Wildfly and unpack them into /opt
 RUN wget -nc https://www.silverpeas.org/files/silverpeas-${SILVERPEAS_VERSION}-wildfly${WILDFLY_VERSION%.?.?}.zip \
   && wget -nc https://www.silverpeas.org/files/silverpeas-${SILVERPEAS_VERSION}-wildfly${WILDFLY_VERSION%.?.?}.zip.asc \
-  && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 3F4657EF9C591F2FEA458FEBC19391EB3DF442B6 \
+  && ( gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 3F4657EF9C591F2FEA458FEBC19391EB3DF442B6 \
+  || gpg --keyserver pgp.mit.edu --recv-keys 3F4657EF9C591F2FEA458FEBC19391EB3DF442B6 \
+  || gpg --keyserver keyserver.pgp.com --recv-keys 3F4657EF9C591F2FEA458FEBC19391EB3DF442B6 ) \
   && gpg --batch --verify silverpeas-${SILVERPEAS_VERSION}-wildfly${WILDFLY_VERSION%.?.?}.zip.asc silverpeas-${SILVERPEAS_VERSION}-wildfly${WILDFLY_VERSION%.?.?}.zip \
   && wget -nc http://download.jboss.org/wildfly/${WILDFLY_VERSION}.Final/wildfly-${WILDFLY_VERSION}.Final.zip \
   && unzip silverpeas-${SILVERPEAS_VERSION}-wildfly${WILDFLY_VERSION%.?.?}.zip -d /opt \