Docker fix: add ensubst

docker/dm/dm.conf

@@ -0,0 +1,105 @@
+## Bitcoin Payment Service (Deal Module) config file
+
+[main]
+user=$UNAME
+group=$UNAME
+
+limitnofile=8192
+
+## Count worker process
+## default: 1
+workers=$WORKERS
+
+## Create helper process
+## default: false
+#helper=false
+
+## Create master process
+## Master process run processes:
+## - worker (if count not equal 0)
+## - helper (if value equal true)
+## - process/* (if enabled)
+## default: true
+master=true
+
+## Module: Web Service
+[module/WebService]
+## default: true
+enable=true
+
+## Module: Web Socket
+[module/WebSocket]
+## default: false
+enable=true
+
+[daemon]
+## Run as daemon
+## default: true
+daemon=false
+
+## Pid file
+## default: logs/dm.pid
+pid=/run/dm.pid
+
+[log]
+## Log files
+## Available keys: alert, crit, error, warn, notice, info, debug
+## default: error=logs/error.log
+#alert=logs/error.log
+crit=/var/log/dm/crit.log
+error=/var/log/dm/error.log
+#warn=/var/log/dm/error.log
+#notice=/var/log/dm/message.log
+#info=/var/log/dm/message.log
+#debug=/var/log/dm/debug.log
+
+[stream]
+log=/var/log/dm/stream.log
+
+## HTTP (Server) config section
+[server]
+## Listen address
+## default: 0.0.0.0
+listen=0.0.0.0
+
+## Listen port number
+## default: 4977
+port=4999
+
+## Connection timeout
+## default: 5000
+#timeout=5000
+
+## Default web server file path
+root=www
+
+## Access log file
+log=/var/log/dm/access.log
+
+[module]
+## Module Bitcoin address
+## default: empty
+address=$DM_BITCOIN
+
+## OAuth2 configuration file
+## default: service.json
+oauth2=oauth2/service.json
+
+## Module transaction fee as a percentage of the deal amount
+## ATTENTION: If the value is specified as a percentage, you MUST indicate the sign “%”,
+##            otherwise it will be a FIXED value in satoshi.
+## default: 0.1%
+fee=$DM_FEE
+
+[pgp]
+## Path to PGP private file key
+## default: empty
+private=$PGP_SEC_FILE
+
+## Path to PGP public file key
+## default: empty
+public=$BITDEALS_PGP_FILE
+
+## PGP passphrase
+## default: empty
+passphrase=$DM_PGP_PASSWORD