Fix config mapping issue

Dockerfile

@@ -23,8 +23,8 @@ USER root
 COPY /static/css/* ${STATIC_CONFIG_PATH}/css/
 COPY /static/img/* ${STATIC_CONFIG_PATH}/img/
 
-# Copy configuration and data files
-COPY /configs/emqx_exhook.conf /opt/emqx/etc/plugins/
+# Copy configuration and data files to the container
+COPY /configs/emqx_exhook.conf /opt/emqx/configs/
 COPY /data/loaded_plugins /opt/data/
 
 EXPOSE 1883 8083 8084 8883 11883 18083 4370 5369

entrypoint.sh

@@ -16,14 +16,35 @@
 # specific language governing permissions and limitations
 # under the License.
 
-CONFIG_PATH=/opt/emqx/etc/plugins/emqx_exhook.conf
+CONFIG_PATH=/opt/emqx/configs/emqx_exhook.conf
+EMQX_DATA_PATH=/opt/emqx/data/loaded_plugins
 
-# Set emqx_exhook.conf configs
-sed -i 's/${SERVER_HOSTNAME}/'$SERVER_HOSTNAME'/g' $CONFIG_PATH
+if [ -f "$CONFIG_PATH" ]
+then
+    echo "$CONFIG_PATH found. Populating templates"
+    # Backup config files
+    cp $CONFIG_PATH $CONFIG_PATH.template
+    CONFIG_TEMPLATE_PATH=$CONFIG_PATH.template
 
-# Add plugins
-rm -f /opt/emqx/data/loaded_plugins
-mv /opt/data/loaded_plugins /opt/emqx/data/loaded_plugins
+    echo "Setting up configurations"
+    # emqx_exhook.conf
+    sed -i 's/${SERVER_HOSTNAME}/'$SERVER_HOSTNAME'/g' $CONFIG_PATH
+fi
+
+# Copy configuration and data file
+cp $CONFIG_PATH /opt/emqx/etc/plugins/emqx_exhook.conf
+
+rm -f $EMQX_DATA_PATH
+cp /opt/data/loaded_plugins $EMQX_DATA_PATH
+
+
+if [ -f "$CONFIG_PATH" ]
+then
+    # Removing edited files
+    rm -f $CONFIG_PATH
+    # Reverting template files to originals
+    mv $CONFIG_TEMPLATE_PATH $CONFIG_PATH
+fi
 
 echo "Starting server.."
 sh /opt/emqx/bin/emqx foreground