build: Use memcached (#318)

* build: Use memcached

Fixes #284

* ci: Add `--no-input` test commands

* ci: Add memcached to test workflow

.github/workflows/ci-run-tests.yml

@@ -27,5 +27,8 @@ jobs:
       - name: Start database
         run: docker run --name=database -e POSTGRES_DB=app -e POSTGRES_PASSWORD=password -d postgres:14.6
 
+      - name: Start memcached
+        run: docker run --name=memcached -d memcached:latest
+
       - name: Run tests
-        run: docker run -i --rm --name=app-test -u root --link=database -e DATABASE_URL="postgres://postgres:password@database/app" -e APP_SECRET_KEY=xxxx -e ENVIRONMENT=test app-test
+        run: docker run -i --rm --name=app-test -u root --link=database --link=memcached -e DATABASE_URL="postgres://postgres:password@database/app" -e APP_SECRET_KEY=xxxx -e ENVIRONMENT=test app-test

docker-compose.yml

@@ -15,6 +15,7 @@ services:
             - docker/dev.env
         depends_on:
             - database
+            - memcached
 
     frontend:
         restart: on-failure
@@ -34,3 +35,7 @@ services:
             POSTGRES_DB: "app"
             POSTGRES_USER: "postgres"
             POSTGRES_PASSWORD: "password"
+
+    memcached:
+        image: memcached:latest
+        hostname: memcached

docker/init-test.sh

@@ -2,6 +2,6 @@
 
 python /app/manage.py migrate --no-input
 python /app/manage.py createcachetable
-python /app/manage.py collectstatic
-python /app/manage.py test
+python /app/manage.py collectstatic --no-input
+python /app/manage.py test --no-input
 python /app/manage.py makemigrations --check --dry-run --no-input

ietf/settings/base.py

@@ -173,8 +173,12 @@
 
 CACHES = {
     "default": {
-        "BACKEND": "django.core.cache.backends.db.DatabaseCache",
-        "LOCATION": "cache_table",
+        "BACKEND": "django.core.cache.backends.memcached.PyMemcacheCache",
+        "LOCATION": "memcached:11211",
+    },
+    "sessions": {
+        "BACKEND": "django.core.cache.backends.memcached.PyMemcacheCache",
+        "LOCATION": "memcached:11211",
     },
     "dummy": {"BACKEND": "django.core.cache.backends.dummy.DummyCache"},
 }
@@ -244,4 +248,4 @@
     "home.IABHomePage",
 ]
 
-NOTE_WELL_REPO = "https://raw.githubusercontent.com/ietf/note-well/main/note-well.md"
+NOTE_WELL_REPO = "https://raw.githubusercontent.com/ietf/note-well/main/note-well.md"

requirements.txt

@@ -15,6 +15,7 @@ tqdm>=3.7.0
 wagtail-markdown
 Pygments
 wagtail-orderable
+pymemcache
 
 # env var configuration
 typed-environment-configuration>=0.1.3,<0.2