update docker build with version, add changelog

CHANGELOG.md

@@ -0,0 +1,18 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [0.2.0] - 2024-03-31
+### Added
+- Different times for users to receive notifications
+- Ping endpoint
+### Changed
+- Notification loop runs every 5 minutes.
+
+
+## [0.1.0]
+- First release with subscriptions and daily notifications.
+

Dockerfile

@@ -1,11 +1,10 @@
 # Use an official Python runtime as a parent image
-FROM python:3.8-alpine3.18 as builder
+FROM python:alpine3.19 as builder
 
 RUN apk update && apk upgrade
 RUN apk add --no-cache --virtual .build-deps build-base git
 RUN apk add --upgrade --no-cache bash sqlite libffi-dev tzdata
 
-ENV TZ America/New_York
 ENV PYTHONUNBUFFERED 1
 
 # Set the working directory in the container to /app
@@ -25,7 +24,10 @@ RUN pip install --no-cache-dir -r requirements.txt
 RUN apk del .build-deps
 
 # ---- Production Stage ----
-FROM python:3.8-alpine3.18 as production
+FROM python:alpine3.19 as production
+
+ARG PUSH_SERVER_VERSION
+ENV PUSH_SERVER_VERSION=${PUSH_SERVER_VERSION}
 
 # Create a user to run our application
 RUN adduser -D myuser -u 1000
@@ -41,5 +43,5 @@ RUN chown -R myuser:myuser /app
 USER myuser
 
 # Start gunicorn with the appropriate options
-# Without "2>&1" the gunicorn internal logging shows in 'docker logs' but doesn't go to stdout like our 'printf' commands.
+# Without "2>&1" the gunicorn internal logging shows in 'docker logs' but doesn't go to stdout like our 'print' commands.
 CMD ["sh", "-c", "gunicorn -b 0.0.0.0:3000 --log-level=debug --workers=1 app:app 2>&1"]

README.md

@@ -2,6 +2,10 @@
 
 ## Docker Build & Deploy
 
+- Update CHANGELOG.md
+
+- Commit & tag with release version
+
 ```
 export PUSH_SERVER_VERSION=0.1
 

app.py

@@ -22,8 +22,9 @@ import time
 
 CONTACT_EMAIL = "mailto:info@timesafari.app"
 
-app = Flask(__name__)
+PUSH_SERVER_VERSION = os.getenv('PUSH_SERVER_VERSION')
 
+app = Flask(__name__)
 
 class WebPushService():
 
@@ -320,7 +321,7 @@ class WebPushService():
         - Response: Text with some subscription-run info
         """
 
-        return f"pong ... with latest subscription run at {self.latest_subscription_run}"
+        return f"pong ... version {PUSH_SERVER_VERSION} ... with latest subscription run at {self.latest_subscription_run}"
 
     # This is an endpoint, routed in __init__
     def regenerate_vapid(self) -> Tuple[Response, int, dict[str, str]] | Tuple[Response, int]: