Refactor nise-discord environment

nise-discord/.dockerignore

@@ -6,6 +6,3 @@ venv/
 .pytest_cache/
 cache/
 .env
-image.png
-text_image.png
-modified_prefectures.svg

nise-discord/bot.py

@@ -36,8 +36,8 @@ class NiseBot(commands.Bot):
         self.loop = bot_loop
         self.log = logging.getLogger()
 
-        self.reaction_channel_id = 1203671883728293999
-        self.reaction_emoji_id = 1211660688947417138
+        self.reaction_channel_id = int(os.getenv("REACTION_CHANNEL_ID"))
+        self.reaction_emoji_id = int(os.getenv("REACTION_EMOJI_ID"))
 
     async def on_ready(self):
         self.log.info('Bot loaded!')