Add Docker support

Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.11.2-alpine3.17
+
+LABEL Maintainer="serega404"
+
+WORKDIR /app
+
+COPY requirements.txt requirements.txt
+RUN pip3 install -r requirements.txt
+
+# Setting up crontab
+COPY crontab /tmp/crontab
+RUN cat /tmp/crontab > /etc/crontabs/root
+
+COPY main.py main.py
+
+# run crond as main process of container
+CMD ["crond", "-f", "-l", "2"]

crontab

@@ -0,0 +1,2 @@
+@reboot cd /app && python3 /app/main.py 
+*/10 * * * *  cd /app && python3 /app/main.py 

main.py

@@ -20,8 +20,8 @@ if TELEGRAM_CHANNEL == '':
 # Load database
 
 db = None
-if (os.path.isfile('db.json')):
-    with open('db.json', 'r', encoding='utf-8') as f:
+if (os.path.isfile('data/db.json')):
+    with open('data/db.json', 'r', encoding='utf-8') as f:
         db = json.load(f)
 else:
     print("Database not loaded")
@@ -71,6 +71,9 @@ else:
 
 # Save database
 
-with open('db.json', 'w', encoding='utf-8') as f:
+if not os.path.exists("data"):
+   os.makedirs("data")
+
+with open('data/db.json', 'w', encoding='utf-8') as f:
     json.dump(elements, f, ensure_ascii=False)
     print("Database updated")

requirements.txt

@@ -0,0 +1,2 @@
+requests
+beautifulsoup4