Containerized app with docker and docker compose. Moved default db location to subdirectory.

.gitignore

@@ -1,3 +1,5 @@
 __pycache__
 database.json
-database.bak
+database.bak
+.env
+dbhost/

Dockerfile

@@ -0,0 +1,16 @@
+# Use latest alpine-derived Python base image
+FROM python:3-alpine
+
+# Move to app directory
+
+# Install requirements
+COPY requirements.txt ./
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy source to app directory
+COPY . .
+
+# Make sure run script is executable
+RUN chmod +rxxx ./run.sh
+
+CMD sh run.sh

README.md

@@ -10,4 +10,7 @@ In the settings.py you can also disable posting to twitter or mastodon if you on
 
 The file settings.py now also allows (mis)using blueskys language function by designating a language that when set can be used to decide if a specific post should or should not be crossposted. More info can be found in the file.
 
+## Running with Docker
+The included Dockerfile and docker-compose file can be used to run the service in a docker container. Configuration options can be set in the docker-compose file, added to an .env file (see env.example) or injected as environment variables in some other way. An additional configuration option, RUN_INTERVAL, is provided to set the interval in seconds for which to check for new posts.
+
 Bluesky Crossposter™©® developed by denvitadrogen

auth.py

@@ -1,3 +1,5 @@
+import os
+
 # All necessary tokens, passwords, etc.
 # Your bluesky handle should include your instance, so for example handle.bsky.social if you are on the main one.
 bsky_handle = ""
@@ -13,4 +15,14 @@ MASTODON_TOKEN = ""
 TWITTER_APP_KEY = ""
 TWITTER_APP_SECRET = ""
 TWITTER_ACCESS_TOKEN = ""
-TWITTER_ACCESS_TOKEN_SECRET = ""
+TWITTER_ACCESS_TOKEN_SECRET = ""
+
+# Override settings with environment variables if they exist
+bsky_handle = os.environ.get('BSKY_HANDLE') if os.environ.get('BSKY_HANDLE') else bsky_handle
+bsky_password = os.environ.get('BSKY_PASSWORD') if os.environ.get('BSKY_PASSWORD') else bsky_password
+MASTODON_INSTANCE = os.environ.get('MASTODON_INSTANCE') if os.environ.get('MASTODON_INSTANCE') else MASTODON_INSTANCE
+MASTODON_TOKEN = os.environ.get('MASTODON_TOKEN') if os.environ.get('MASTODON_TOKEN') else MASTODON_TOKEN
+TWITTER_APP_KEY = os.environ.get('TWITTER_APP_KEY') if os.environ.get('TWITTER_APP_KEY') else TWITTER_APP_KEY
+TWITTER_APP_SECRET = os.environ.get('TWITTER_APP_SECRET') if os.environ.get('TWITTER_APP_SECRET') else TWITTER_APP_SECRET
+TWITTER_ACCESS_TOKEN = os.environ.get('TWITTER_ACCESS_TOKEN') if os.environ.get('TWITTER_ACCESS_TOKEN') else TWITTER_ACCESS_TOKEN
+TWITTER_ACCESS_TOKEN_SECRET = os.environ.get('TWITTER_ACCESS_TOKEN_SECRET') if os.environ.get('TWITTER_ACCESS_TOKEN_SECRET') else TWITTER_ACCESS_TOKEN_SECRET

docker-compose.yml

@@ -0,0 +1,24 @@
+version: '3.8'
+services:
+  crossposter:
+    build: .
+    environment:
+      BSKY_HANDLE:
+      BSKY_PASSWORD:
+      MASTODON_INSTANCE:
+      MASTODON_TOKEN:
+      TWITTER_APP_KEY:
+      TWITTER_APP_SECRET:
+      TWITTER_ACCESS_TOKEN:
+      TWITTER_ACCESS_TOKEN_SECRET:
+      TWITTER_CROSSPOSTING:
+      MASTODON_CROSSPOSTING:
+      LOGGING:
+      POST_DEFAULT:
+      MASTODON_LANG:
+      TWITTER_LANG:
+      MAX_RETRIES:
+      RUN_INTERVAL:
+      POST_TIME_LIMIT:
+    volumes:
+      - ./dbhost:/db

env.example

@@ -0,0 +1,17 @@
+BSKY_HANDLE=
+BSKY_PASSWORD=
+MASTODON_INSTANCE=
+MASTODON_TOKEN=
+TWITTER_APP_KEY=
+TWITTER_APP_SECRET=
+TWITTER_ACCESS_TOKEN=
+TWITTER_ACCESS_TOKEN_SECRET=
+TWITTER_CROSSPOSTING=
+MASTODON_CROSSPOSTING=
+LOGGING=
+POST_DEFAULT=
+MASTODON_LANG=
+TWITTER_LANG=
+MAX_RETRIES=
+RUN_INTERVAL=
+POST_TIME_LIMIT=

paths.py

@@ -5,9 +5,9 @@
 basePath = "/"
 # Path to the database file. If you want it somewhere other than directly in the base path you can 
 # either write the entire path manually, or just add the rest of the path on top of the basePath.
-databasePath = basePath + "database.json"
+databasePath = basePath + "db/" + "database.json"
 # Path to backup of database.
-backupPath = basePath + "database.bak"
+backupPath = basePath + "db/" + "database.bak"
 # Path for storing logs
 logPath = basePath + "logs/"
 # Path to folder for temporary storage of images

run.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+# Run once per hour if nothing else has been specified in environment variables
+while :; do
+  python crosspost.py
+  sleep ${RUN_INTERVAL:-3600}
+done

settings.py

@@ -1,3 +1,5 @@
+import os
+
 # Enables/disables crossposting to twitter and mastodon
 # Accepted values: True, False
 Twitter = True
@@ -26,3 +28,13 @@ maxRetries = 5
 # Sets max time limit (in hours) for fetching posts. If no database exists, all posts within this time 
 # period will be posted.
 postTimeLimit = 12
+
+# Override settings with environment variables if they exist
+Twitter = os.environ.get('TWITTER_CROSSPOSTING').lower() == 'true' if os.environ.get('TWITTER_CROSSPOSTING') else Twitter
+Mastodon = os.environ.get('MASTODON_CROSSPOSTING').lower() == 'true' if os.environ.get('MASTODON_CROSSPOSTING') else Mastodon
+Logging = os.environ.get('LOGGING').lower() == 'true' if os.environ.get('LOGGING') else Logging
+postDefault = os.environ.get('POST_DEFAULT').lower() == 'true' if os.environ.get('POST_DEFAULT') else postDefault
+mastodonLang = os.environ.get('MASTODON_LANG') if os.environ.get('MASTODON_LANG') else mastodonLang
+twitterLang = os.environ.get('TWITTER_LANG') if os.environ.get('TWITTER_LANG') else twitterLang
+maxRetries = int(os.environ.get('MAX_RETRIES')) if os.environ.get('MAX_RETRIES') else maxRetries
+postTimeLimit = int(os.environ.get('POST_TIME_LIMIT')) if os.environ.get('POST_TIME_LIMIT') else postTimeLimit