Added comments to dockerfiles

api/Dockerfile

@@ -1,19 +1,28 @@
 FROM python:3.10-alpine
 
+# Change the working directory to the project root
 WORKDIR /srv/flask_app
+
+# Install dependencies
 RUN apk add nginx build-base libffi-dev curl uwsgi
 
+# Install python dependencies
 COPY api/requirements.txt /srv/flask_app/
-
 RUN pip install -r requirements.txt --src /usr/local/src --no-warn-script-location
 
+# Copy the app
 COPY api /srv/flask_app
 COPY api/deploy/nginx.conf /etc/nginx
+
+# Change file permissions
 RUN chmod +x ./deploy/start.sh
 RUN chmod +x ./deploy/healthcheck.sh
 
+# Set healthcheck
 HEALTHCHECK --interval=15s --timeout=2s CMD ["./deploy/healthcheck.sh"]
 
+# Expose webserver port
 EXPOSE 80
 
+# Run the app
 CMD ["./deploy/start.sh"]