Final update and usable Dockerfile

.dockerignore

@@ -1 +1,35 @@
+# Include any files or directories that you don't want to be copied to your
+# container here (e.g., local build artifacts, temporary files, etc.).
+#
+# For more help, visit the .dockerignore file reference guide at
+# https://docs.docker.com/go/build-context-dockerignore/
+
 .env
+**/.DS_Store
+**/__pycache__
+**/.venv
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/bin
+**/charts
+**/docker-compose*
+**/compose.y*ml
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

.gitignore

@@ -1,3 +1,4 @@
 dns_updater.log
 scripts/*
 .vscode/
+__pycache__/

Dockerfile

@@ -1,11 +1,24 @@
+# syntax=docker/dockerfile:1
 FROM python:alpine
 
+# Prevents Python from writing pyc files.
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# Keeps Python from buffering stdout and stderr to avoid situations where
+# the application crashes without emitting any logs due to buffering.
+ENV PYTHONUNBUFFERED=1
+
 WORKDIR /app
 
+# Copy relevant files into the container
 COPY main.py /app
-COPY domains.json /app
+COPY functions.py /app
 COPY requirements.txt /app
+COPY domains.json /app
 
-RUN pip install --no-cache-dir -r /app/requirements.txt
+RUN --mount=type=cache,target=/root/.cache/pip \
+    --mount=type=bind,source=requirements.txt,target=requirements.txt \
+    python -m pip install -r requirements.txt
 
-CMD ["python", "main.py"]
+# Run the application.
+CMD ["python", "main.py"]

docker-compose.yml

@@ -1,9 +1,33 @@
+#Docker compose for cloudflare-dns-updater
+version: "3.6"
 services:
-  dns-updater:
-    # Uncomment this to use an image instead of building locally
-    # image: your-image-tag
-    # Uncomment this to build locally
-    build: .
-    env_file:
-      - .env 
-
+  cloudlfare-dns-updater:
+    image: "cloudflare-dns-updater:latest"
+    container_name: "cloudlfare-dns-updater"
+    volumes:
+      - app-data:/app # optional unless using the domains.json file and DOMAINS_FILE_PATH variable
+    environment:
+      CF_API_TOKEN: "YOUR_API_TOKEN" # Recomended to create a token for the zones, not use the main token
+      CF_ZONE_ID: "YOUR_ZONE_ID1,YOUR_ZONE_ID2" # Can be only 1 zone ID (usually is)
+      # Choose the method in which you get your domain records:
+      #   You must choose one method
+      #   DOMAINS_FILE_PATH is not needed if the DOMAINS or DNS_RECORD_COMMENT_KEY variables are set.
+      #   Edit the domains.json according to the example file in the mounted volume.
+      #   If you don't mount a volume, you cannot use the domains.json file and DOMAINS_FILE_PATH variable.
+
+      DNS_RECORD_COMMENT_KEY: "Comm1,Comm2" # Any DNS reccord that has any of the comments specified here. Can be 1 comment
+      # DOMAINS: "domain.com,example1.domain.com,example2.domain.com"
+      # DOMAINS_FILE_PATH: .\domains.json
+      SCHEDULE_MINUTES: 5
+      PROXIED: True # if proxied is set to True, TTL cannot be set/changed
+      TYPE: A # Supports either A, AAA or CNAME
+      TTL: 1
+    restart: "unless-stopped"
+
+volumes:
+  app-data:
+    driver: local
+    driver_opts:
+      o: bind
+      type: none
+      device: /volume1/docker/cloudflare-dns-updater

functions.py

@@ -33,6 +33,7 @@
 DOMAINS_LIST = []
 CF_ZONE_ID_LIST = []
 DNS_RECORD_COMMENT_KEY_LIST = []
+
 # Calcualte values from above variables
 if DOMAINS is not None:
     DOMAINS_LIST = DOMAINS.split(',')
@@ -386,6 +387,7 @@ def get_all_dns_records():
         domains_list = get_dns_records_by_comments(CF_ZONE_ID_LIST, DNS_RECORD_COMMENT_KEY_LIST)
         for list_item in domains_list:
             domain_records += list_item
+        return domain_records
     if DOMAINS is not None:
         LOGGER.info(
             "Using list of DOMAINS=[%s] to find DNS records to update.",