[FAB-3641] Do not use ENV ORDERER* in Dockerfile

This limits an end users options to override the config
how they see fit.  Instead, we put all defaults into
orderer.yaml.

Fixes FAB-3641

Change-Id: I3c3caa6c37bb3cbf99f73e6245c1f4b6a1eb96a7
Signed-off-by: Gregory Haskins <[email protected]>

Author: ghaskins

images/orderer/Dockerfile.in

@@ -1,6 +1,5 @@
 FROM _BASE_NS_/fabric-baseos:_BASE_TAG_
 ENV FABRIC_CFG_PATH /etc/hyperledger/fabric
-ENV ORDERER_GENERAL_GENESISPROFILE=SampleInsecureSolo
 RUN mkdir -p /var/hyperledger/production $FABRIC_CFG_PATH
 COPY payload/orderer /usr/local/bin
 ADD payload/sampleconfig.tar.bz2 $FABRIC_CFG_PATH/

sampleconfig/orderer.yaml

@@ -46,7 +46,7 @@ General:
     # Genesis profile: The profile to use when using the provisional
     # GenesisMethod, See the configtx.yaml file for the descriptions of the
     # available profiles.
-    GenesisProfile: SampleSingleMSPSolo
+    GenesisProfile: SampleInsecureSolo
 
     # Genesis file: The file containing the genesis block. Used by the orderer
     # when GenesisMethod is set to "file".