Bootstrap some initial slides

slides.md

@@ -24,3 +24,463 @@ themeConfig:
   <li><mdi-github /> @RealOrangeOne</li>
   <li><mdi-mastodon /> @jake@theorangeone.net</li>
 </ul>
+
+---
+layout: center
+---
+
+# Django isn't _just_ for websites
+
+
+```mermaid
+flowchart LR
+    U(User 🧑‍💻)
+    D[\Django/]
+
+    U---->|Request|D
+    D---->|Response|U
+```
+
+<style>
+  .mermaid {
+    margin-top: 2rem;
+    text-align: center;
+    transform: scale(1.5);
+  }
+</style>
+
+---
+layout: full
+---
+
+```mermaid
+flowchart BT
+    U[User 🧑‍💻]
+    D[\Django/]
+    DB[(Database)]
+    C[(Cache)]
+    E>Email]
+    EA[External API]
+    V[[Video Transcode]]
+    ML((Machine Learning))
+
+    U---->|Request|D
+    D---->|Response|U
+
+    D-.-DB & E & EA & V & ML & C
+```
+
+---
+layout: full
+---
+
+```mermaid
+flowchart BT
+    U[User 🧑‍💻]
+    D[\Django/]
+    DB[(Database)]
+    C[(Cache)]
+    E>Email]
+    EA[External API]
+    V[[Video Transcode]]
+    ML((Machine Learning))
+    B{{Background Processing}}
+
+    U--->|Request|D
+    D--->|Response|U
+
+    D---B
+
+    D-.-C & DB
+
+    B---E & V & ML & EA
+    B---C & DB
+```
+
+---
+layout: cover
+---
+
+# Background Workers?
+
+---
+layout: fact
+---
+
+```mermaid
+flowchart LR
+    D[\Django/]
+    S[(Queue Store)]
+    R1{Runner}
+    R2{Runner}
+    R3{Runner}
+
+    D<--->S<-..->R1 & R2 & R3
+```
+
+---
+layout: cover
+---
+
+# When?
+
+---
+layout: fact
+---
+
+
+
+```mermaid
+flowchart BT
+    D[\Django/]
+
+    subgraph Fast & Reliable
+      DB[(Database)]
+      C[(Cache)]
+    end
+
+    subgraph Slow / Unreliable
+      E>Email]
+      EA[External API]
+      V[[Video Transcode]]
+      ML((Machine Learning))
+    end
+
+    D---DB & C
+
+    D-.-E & EA & V & ML
+```
+
+---
+layout: cover
+---
+
+# Background Workers _in Django_
+
+---
+layout: cover
+background: https://docs.celeryq.dev/en/stable/_static/celery_512.png
+---
+
+# Celery!
+
+<style>
+.slidev-layout {
+    background: white;
+}
+</style>
+
+---
+layout: image-right
+image: https://images.unsplash.com/photo-1444703686981-a3abbc4d4fe3?q=80&w=1740&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D
+---
+
+# Others...
+
+<Transform :scale="1.05">
+
+- ~~Celery~~
+- arq
+- Django DB Queue
+- Django Lightweight Queue
+- Django Too Simple Q
+- Django-Q
+- Django-Q2
+- Dramatiq
+- Huey
+- RQ
+- Taskiq
+- ...
+
+</Transform>
+
+---
+layout: cover
+background: https://images.unsplash.com/photo-1522096823084-2d1aa8411c13?q=80&w=1740&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D
+---
+
+# Email <mdi-email-fast-outline />
+
+---
+layout: none
+---
+
+```python {all|8|9-14|16-19|all}
+from django.contrib.auth.models import User
+from django.core.mail import send_mail
+from django.template.loader import render_to_string
+
+import django_rq
+
+def send_email_to_user(user: User):
+    email_content = render_to_string("email-template.html", {"user": user})
+    send_mail(
+      subject="Here is your important customized message",
+      message=email_content
+      from_email=None,  # Use the default sender email
+      recipient_list=[user.email]
+    )
+
+users_to_email = User.objects.all()
+
+for user in users_to_email.iterator():
+    django_rq.enqueue(send_email_to_user, user)
+```
+
+<style>
+.slidev-page, .slidev-code-wrapper, .slidev-code {
+  height: 100%;
+}
+</style>
+
+---
+layout: center
+---
+
+# A problem
+
+````md magic-move
+```python
+from django.contrib.auth.models import User
+from django.core.mail import send_mail
+from django.template.loader import render_to_string
+
+import django_rq
+
+def send_email_to_user(user: User):
+    email_content = render_to_string("email-template.html", {"user": user})
+    send_mail(
+      subject="Here is your important customized message",
+      message=email_content
+      from_email=None,  # Use the default sender email
+      recipient_list=[user.email]
+    )
+
+users_to_email = User.objects.all()
+
+for user in users_to_email.iterator():
+    django_rq.enqueue(send_email_to_user, user)
+```
+
+```python {all|5-7,20|all}
+from django.contrib.auth.models import User
+from django.core.mail import send_mail
+from django.template.loader import render_to_string
+
+from my_celery_config import app
+
+@app.task
+def send_email_to_user(user: User):
+    email_content = render_to_string("email-template.html", {"user": user})
+    send_mail(
+      subject="Here is your important customized message",
+      message=email_content
+      from_email=None,  # Use the default sender email
+      recipient_list=[user.email]
+    )
+
+users_to_email = User.objects.all()
+
+for user in users_to_email.iterator():
+    send_email_to_user.delay(user)
+```
+````
+
+---
+layout: fact
+---
+
+# Situation:
+## There are _14_ competing standards.
+
+<style>
+.slidev-layout {
+    background: white;
+    color: black;
+}
+</style>
+
+---
+layout: image-right
+image: https://images.unsplash.com/photo-1674027444485-cec3da58eef4?q=80&w=1932&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D
+class: flex items-center text-2xl
+---
+
+- Application developers
+- Library maintainers
+- System Engineers
+
+---
+layout: image
+image: /ridiculous.png
+class: bg-top!
+---
+
+# Ridiculous!
+
+---
+layout: fact
+---
+
+## Introducing:{.mb-5}
+
+# `django.tasks`
+
+---
+layout: center
+---
+
+````md magic-move
+```python
+from django.contrib.auth.models import User
+from django.core.mail import send_mail
+from django.template.loader import render_to_string
+
+from my_celery_config import app
+
+@app.task
+def send_email_to_user(user: User):
+    email_content = render_to_string("email-template.html", {"user": user})
+    send_mail(
+      subject="Here is your important customized message",
+      message=email_content
+      from_email=None,  # Use the default sender email
+      recipient_list=[user.email]
+    )
+
+users_to_email = User.objects.all()
+
+for user in users_to_email.iterator():
+    send_email_to_user.delay(user)
+```
+
+```python {all|5-7,20|all}
+from django.contrib.auth.models import User
+from django.core.mail import send_mail
+from django.template.loader import render_to_string
+
+from django.tasks import task
+
+@task()
+def send_email_to_user(user: User):
+    email_content = render_to_string("email-template.html", {"user": user})
+    send_mail(
+      subject="Here is your important customized message",
+      message=email_content
+      from_email=None,  # Use the default sender email
+      recipient_list=[user.email]
+    )
+
+users_to_email = User.objects.all()
+
+for user in users_to_email.iterator():
+    send_email_to_user.enqueue(user)
+```
+````
+
+---
+layout: center
+---
+
+```python
+from django.contrib.auth.models import User
+from django.core.mail import send_mail
+from django.template.loader import render_to_string
+
+users_to_email = User.objects.all()
+
+email_content = render_to_string("email-template.html")
+
+for user in users_to_email.iterator():
+    send_mail(
+      subject="Here is your important message",
+      message=email_content
+      from_email=None,  # Use the default sender email
+      recipient_list=[user.email]
+    )
+```
+
+<v-click>
+
+```python
+# settings.py
+EMAIL_BACKEND = "django.core.mail.backends.tasks.SMTPEmailBackend"
+```
+
+</v-click>
+
+
+---
+layout: image-right
+image: /soon.png
+class: flex justify-center text-2xl flex-col
+---
+
+# Q: Why something new?
+
+<v-click>
+
+### A: We're not
+
+</v-click>
+
+---
+layout: center
+---
+
+# Why something built-in?
+
+<Transform :scale="1.3">
+<v-clicks>
+
+- Reduces barrier to entry
+- Improve interoperability
+- Reduce cognitive load
+
+</v-clicks>
+</Transform>
+
+---
+layout: section
+---
+
+# Where are we now?
+
+<v-click>
+
+## `pip install django-tasks`
+
+</v-click>
+
+---
+layout: section
+---
+
+# Where are we going?
+
+---
+layout: image-right
+image: https://images.unsplash.com/photo-1451187580459-43490279c0fa?q=80&w=1744&auto=format&fit=crop&ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D
+class: flex justify-center flex-col text-xl
+---
+
+# Out of scope
+
+- Completion / failed hooks
+- Bulk queueing
+- Automated task retrying
+- Task runner API
+- Unified observability
+- Cron-based scheduling
+- Task timeouts
+- Swappable argument serialization
+
+---
+layout: section
+---
+
+# What's next?
+
+---
+layout: end
+---