🔨(CI) add Tilt

Tilt is a tool for local Kubernetes development.
It makes it easy to see your changes as you
make them, and it rebuilds and redeploys
your app as you change it.
It is a great tool for local development
and testing of Kubernetes applications.

Tiltfile

@@ -0,0 +1,71 @@
+load('ext://uibutton', 'cmd_button', 'bool_input', 'location')
+load('ext://namespace', 'namespace_create', 'namespace_inject')
+namespace_create('impress')
+
+docker_build(
+    'localhost:5001/impress-backend:latest',
+    context='.',
+    dockerfile='./Dockerfile',
+    only=['./src/backend', './src/mail', './docker'],
+    target = 'backend-development',
+    live_update=[
+        sync('./src/backend', '/app'),
+        run(
+            'pip install -r /app/requirements.txt',
+            trigger=['./api/requirements.txt']
+        )
+    ]
+)
+
+docker_build(
+    'localhost:5001/impress-frontend:latest',
+    context='.',
+    dockerfile='./Dockerfile',
+    build_args={'ENV': 'dev'},
+    only=['./src/frontend', './src/mail', './docker'],
+    target = 'frontend-builder-1',
+    live_update=[
+        sync('./src/frontend', '/builder'),
+    ]
+)
+
+k8s_yaml(local('cd src/helm && helmfile -n impress -e dev template .'))
+
+migration = '''
+set -eu
+# get k8s pod name from tilt resource name
+POD_NAME="$(tilt get kubernetesdiscovery impress-backend -ojsonpath='{.status.pods[0].name}')"
+kubectl -n impress exec "$POD_NAME" -- python manage.py makemigrations
+'''
+cmd_button('Make migration',
+           argv=['sh', '-c', migration],
+           resource='impress-backend',
+           icon_name='developer_board',
+           text='Run makemigration',
+)
+
+pod_migrate = '''
+set -eu
+# get k8s pod name from tilt resource name
+POD_NAME="$(tilt get kubernetesdiscovery impress-backend -ojsonpath='{.status.pods[0].name}')"
+kubectl -n impress exec "$POD_NAME" -- python manage.py migrate --no-input
+'''
+cmd_button('Migrate db',
+           argv=['sh', '-c', pod_migrate],
+           resource='impress-backend',
+           icon_name='developer_board',
+           text='Run database migration',
+)
+
+pod_add_admin = '''
+set -eu
+# get k8s pod name from tilt resource name
+POD_NAME="$(tilt get kubernetesdiscovery impress-backend -ojsonpath='{.status.pods[0].name}')"
+kubectl -n impress exec "$POD_NAME" -- python manage.py createsuperuser --email admin@example.com --password admin
+'''
+cmd_button('Add admin',
+           argv=['sh', '-c', pod_add_admin],
+           resource='impress-backend',
+           icon_name='developer_board',
+           text='Create superadmin',
+)