add source code dockerfile and compose

Dockerfile

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+# Usa una base di Python
+FROM python:3.10
+
+# Imposta la directory di lavoro
+WORKDIR /app
+
+# Copia requirements.txt e installa le dipendenze
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# Copia il codice del bot
+COPY . .
+
+# Comando di avvio
+CMD ["python", "bot.py"]
+

bot.py

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+import os
+import psycopg2
+from telegram import Update
+from telegram.ext import Application, CommandHandler, ContextTypes
+from collections import defaultdict
+
+DATABASE_URL = os.getenv("DATABASE_URL")
+BOT_TOKEN = os.getenv("BOT_TOKEN")
+
+def create_table():
+    conn = psycopg2.connect(DATABASE_URL)
+    cursor = conn.cursor()
+    cursor.execute("""
+        CREATE TABLE IF NOT EXISTS odg_topics (
+            id SERIAL PRIMARY KEY,
+            topic_id BIGINT,
+            author TEXT,
+            topic_text TEXT,
+            timestamp TIMESTAMPTZ DEFAULT NOW()
+        )
+    """)
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+
+def add_topic_to_db(topic_id, author, topic_text):
+    conn = psycopg2.connect(DATABASE_URL)
+    cursor = conn.cursor()
+    cursor.execute("""
+        INSERT INTO odg_topics (topic_id, author, topic_text)
+        VALUES (%s, %s, %s)
+    """, (topic_id, author, topic_text))
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+
+def get_topics_from_db(topic_id):
+    conn = psycopg2.connect(DATABASE_URL)
+    cursor = conn.cursor()
+    cursor.execute("""
+        SELECT topic_text, author FROM odg_topics WHERE topic_id = %s
+    """, (topic_id,))
+    rows = cursor.fetchall()
+    cursor.close()
+    conn.close()
+    return rows
+
+
+def reset_topics_in_db(topic_id):
+    conn = psycopg2.connect(DATABASE_URL)
+    cursor = conn.cursor()
+    cursor.execute("""
+        DELETE FROM odg_topics WHERE topic_id = %s
+    """, (topic_id,))
+    conn.commit()
+    cursor.close()
+    conn.close()
+
+
+# Funzione per gestire i comandi /odg
+async def handle_odg(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
+    topic_id = update.message.message_thread_id if update.message.message_thread_id else update.message.chat.id
+    author = update.message.from_user.full_name
+
+    if len(context.args) == 0:
+        topics = get_topics_from_db(topic_id)
+        if topics:
+            topics_text = ""
+            for topic_text, author in topics:
+                topics_text += f"📋{topic_text}\n👤 {author}\n\n"
+            await update.message.reply_text("Contenuto Ordine Del Giorno:\n\n" + topics_text.strip())
+        else:
+            await update.message.reply_text("Niente in programma, cara")
+    elif context.args[0] == "reset":
+        reset_topics_in_db(topic_id)  # Reset dei topics nel database
+        await update.message.reply_text("odg reset effettuato")
+    else:
+        topic_text = ' '.join(context.args)
+        add_topic_to_db(topic_id, author, topic_text)
+        await update.message.reply_text(f"Aggiunto all'odg: {topic_text}")
+
+
+if __name__ == "__main__":
+    def main():
+        create_table()
+
+        application = Application.builder().token(BOT_TOKEN).build()
+        application.add_handler(CommandHandler("odg", handle_odg))
+        application.run_polling()
+
+    main()

compose.yml

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+services:
+  bot:
+    build: .
+    env_file:
+      - ./env/pythonas.env
+    depends_on:
+      - db
+
+  db:
+    image: postgres:13
+    env_file:
+      - ./env/pythonas.env
+    volumes:
+      - postgres_data:/var/lib/postgresql/data
+
+volumes:
+  postgres_data:
+