Committed version 3 of the bot from the source code on my computer. Older versions of the bot were version controlled manually before I knew how to use Git.

interaction/Dockerfile

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+FROM python:3.8.6-buster
+COPY . /usr/src/app
+WORKDIR /usr/src/app
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+CMD python3 -u ./script.py

interaction/last_seen.txt

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+1368349440298409985

interaction/requirements.txt

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+python-dotenv
+datetime
+tweepy

interaction/script.py

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+#!/usr/local/bin/python3.8
+import tweepy
+import time
+import os
+import sys
+from datetime import datetime, timedelta
+import re
+import math
+
+print(datetime.now().strftime("%H:%M:%S"))
+callback_uri = 'oob' # https://cfe.sh/twitter/callback
+
+auth = tweepy.OAuthHandler(os.getenv('API_TOKEN'), os.getenv('API_KEY_SECRET'), callback_uri)
+auth.set_access_token(os.getenv('ACCESS_TOKEN'), os.getenv('ACCESS_TOKEN_SECRET'))
+
+api = tweepy.API(auth)
+lastSeenFile = '/usr/src/app/last_seen.txt'
+
+def getLastSeen(filename):
+    with open(filename, 'r') as fileRead:
+        lastSeen = int(fileRead.read().strip())
+    return lastSeen
+
+def storeLastSeen(filename, lastSeen):
+    with open(filename, 'w') as fileWrite:
+        fileWrite.write(str(lastSeen))
+    return
+
+def searchTweets(query):
+    print('Searching for tweets')
+    lastSeen = getLastSeen(lastSeenFile)
+    tweets = api.search(query, since_id=lastSeen)
+    return tweets
+
+def interactions():
+    tweets = searchTweets('persevering')
+    for tweet in reversed(tweets):
+        if not tweets:
+            print('No new tweets found.')
+            return
+        if re.search('what is.*if not.*persevering',tweet.text.lower()):
+            if not tweet.text.lower().startswith('rt') and tweet.user != api.me():
+                print(f'Tweet {tweet.text} by @{tweet.author.screen_name}', flush = True)
+                if not tweet.favorited:
+                    print('Not favourited.')
+                    # api.create_favorite(tweet.id)
+                if not tweet.retweeted:
+                    print('Not retweeted.')
+                    # api.retweet(tweet.id)
+        storeLastSeen(lastSeenFile, tweet.id)
+
+now = datetime.now()
+nextFifth = 5-(now.minute%5)
+later = (now + timedelta(minutes=nextFifth)).replace(second=0,microsecond=0)
+tdelta = later - datetime.now()
+sec = math.floor(tdelta.total_seconds())
+print(f'Waiting until {later} for first search interaction cycle, sleeping for {sec} seconds.')
+time.sleep(sec)
+
+while True:
+    interactions()
+    print('Sleeping for 5 minutes')
+    time.sleep(300)