Add mechanism to load in more env vars

Dockerfile

@@ -2,6 +2,7 @@ FROM mathewfleisch/tools:latest
 # See this repo for the parent Dockerfile: https://github.com/mathew-fleisch/tools
 LABEL maintainer="Mathew Fleisch <[email protected]>"
 ENV BASHBOT_CONFIG_FILEPATH=/bashbot/config.json
+ENV BASHBOT_ENV_VARS_FILEPATH ""
 ENV SLACK_TOKEN ""
 ENV LOG_LEVEL "info"
 ENV LOG_FORMAT "text"

README.md

@@ -30,7 +30,7 @@ Slack's permissions model has changed and the "[RTM](https://api.slack.com/rtm)"
 - curl
 
 ```bash
-# Download the latest version of bashbot
+# Download and install the latest version of bashbot
 make install-latest
 # or manually (without golang)
 os=$(uname | tr '[:upper:]' '[:lower:]')
@@ -107,6 +107,8 @@ export BASHBOT_CONFIG_FILEPATH=${PWD}/config.json
 docker run \
   -v ${PWD}/config.json:/bashbot/config.json \
   -e BASHBOT_CONFIG_FILEPATH "/bashbot/config.json" \
+  -v ${PWD}/.env:/bashbot/.env \
+  -e BASHBOT_CONFIG_FILEPATH "/bashbot/.env" \
   -e SLACK_TOKEN $SLACK_TOKEN \
   -e LOG_LEVEL "info" \
   -e LOG_FORMAT "text" \
@@ -120,10 +122,6 @@ docker run \
 - kubernetes
 
 ```yaml
-#
-###################################################
-#
-# Step 3c: Deploy Bashbot via kubernetes
 ---
 apiVersion: apps/v1
 kind: Deployment

entrypoint.sh

@@ -10,11 +10,17 @@ if ! [ -f "$BASHBOT_CONFIG_FILEPATH" ]; then
   exit 1
 fi
 
+# If .env file is present, load it.
+if [ -f "$BASHBOT_ENV_VARS_FILEPATH" ]; then
+  . "$BASHBOT_ENV_VARS_FILEPATH"
+fi
+
 if [ -z "$SLACK_TOKEN" ]; then
   echo "SLACK_TOKEN is not set. Please set it and try again."
   exit 1
 fi
 
+
 # If the log-level doesn't exist, set it to 'info'
 LOG_LEVEL=${LOG_LEVEL:-info}
 # If the log-format doesn't exist, set it to 'text'