add docker compose

http-api/.gitignore

@@ -1,2 +1,4 @@
 .env
-samlocal.json
+env.json
+dynamodb_volume/
+elastic_volume/

http-api/Makefile

@@ -16,3 +16,9 @@ pytest:
 
 htmlcov: pytest
 	uv run python -m http.server 80 -d htmlcov
+
+up:
+	docker compose up -d
+
+down:
+	docker compose down

http-api/compose.yaml

@@ -0,0 +1,34 @@
+services:
+  dynamodb:
+    image: amazon/dynamodb-local:latest
+    container_name: dynamodb
+    ports:
+      - 8000:8000
+    volumes:
+      - ./dynamodb_volume:/home/dynamodblocal/data
+    working_dir: /home/dynamodblocal
+    command: "-jar DynamoDBLocal.jar -sharedDb -dbPath ./data"
+
+  elastic:
+    image: docker.elastic.co/elasticsearch/elasticsearch:8.11.3
+    container_name: elastic
+    environment:
+      - discovery.type=single-node
+      - bootstrap.memory_lock=true
+      - xpack.security.enabled=false
+      - xpack.security.http.ssl.enabled=false
+      - xpack.security.transport.ssl.enabled=false
+      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
+      - http.cors.allow-origin="*"
+      - http.cors.enabled=true
+      - http.cors.allow-credentials=true
+      - http.cors.allow-methods=OPTIONS, HEAD, GET, POST, PUT, DELETE
+      - http.cors.allow-headers=X-Requested-With, X-Auth-Token, Content-Type, Content-Length, Authorization, Access-Control-Allow-Headers, Accept, x-elastic-client-meta
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+    volumes:
+      - ./elastic_volume:/usr/share/elasticsearch/data
+    ports:
+      - 9200:9200

http-api/env.json.sample

@@ -4,5 +4,6 @@
     "USER_TABLE": "test-users",
     "ORDER_TABLE": "test-orders",
     "ENROLLMENT_TABLE": "test-enrollments"
+    "COURSE_TABLE": "test-courses"
   }
 }

http-api/routes/courses/__init__.py

@@ -1,7 +1,6 @@
 import json
 from http import HTTPStatus
 
-import boto3
 from aws_lambda_powertools.event_handler import Response, content_types
 from aws_lambda_powertools.event_handler.api_gateway import Router
 from elasticsearch import Elasticsearch
@@ -9,19 +8,23 @@ from layercake.dynamodb import DynamoDBPersistenceLayer
 from pydantic import BaseModel
 
 import elastic
+from boto3clients import dynamodb_client
 from course import create_course
 from models import Course, Org
 from settings import COURSE_TABLE, ELASTIC_CONN
 
 router = Router()
-dynamodb_client = boto3.client('dynamodb')
 elastic_client = Elasticsearch(**ELASTIC_CONN)
 course_layer = DynamoDBPersistenceLayer(COURSE_TABLE, dynamodb_client)
 
 
-@router.get('/', compress=True, tags=['Course'])
+@router.get(
+    '/',
+    compress=True,
+    tags=['Course'],
+    summary='Get courses',
+)
 def get_courses():
-    """Get a list of courses based on the query parameters."""
     event = router.current_event
     query = event.get_query_string_value('query', '{}')
     page_size = event.get_query_string_value('page_size', '25')

http-api/samconfig.toml

@@ -10,5 +10,5 @@ image_repositories = []
 
 [default.local_start_api.parameters]
 debug = true
-env_vars = "samlocal.json"
+env_vars = "env.json"
 warm_containers = "EAGER"

http-api/uv.lock

@@ -444,7 +444,7 @@ wheels = [
 
 [[package]]
 name = "layercake"
-version = "0.1.3"
+version = "0.1.4"
 source = { directory = "../layercake" }
 dependencies = [
     { name = "aws-lambda-powertools", extra = ["all"] },

layercake/layercake/dynamodb.py

@@ -106,14 +106,22 @@ if TYPE_CHECKING:
     @dataclass
     class PrefixKey(str):
         prefix: str
+        delimiter: str | None = '#'
 
 else:
 
     class PrefixKey(str):
-        def __init__(self, prefix: str | None = None) -> None:
+        def __new__(cls, prefix: str, delimiter: str | None = '#') -> str:
+            if not delimiter:
+                return super().__new__(cls, prefix)
+
+            return super().__new__(cls, prefix + delimiter)
+
+        def __init__(self, prefix: str, delimiter: str = '#') -> None:
             # __init__ is used to store the parameters for later reference.
             # For immutable types like str, __init__ cannot change the instance's value.
             self.prefix = prefix
+            self.delimiter = delimiter
 
 
 class Key(ABC, dict):
@@ -672,10 +680,9 @@ class DynamoDBCollection:
 
         match key.get(PK), key.get(SK):
             case ComposeKey(), _:  # Remove prefix from Partition Key
-                prefix = key[PK].prefix + key[PK].delimiter
-                items = _remove_prefix(items, PK, prefix)
+                items = _remove_prefix(items, PK, key[PK].prefix + key[PK].delimiter)
             case _, PrefixKey():  # Remove prefix from Sort Key
-                items = _remove_prefix(items, SK, key[SK].prefix)
+                items = _remove_prefix(items, SK, key[SK])
 
         return {
             'items': items,

layercake/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "layercake"
-version = "0.1.3"
+version = "0.1.4"
 description = "Add your description here"
 readme = "README.md"
 authors = [

layercake/tests/test_dynamodb.py

@@ -58,9 +58,12 @@ def test_keypair():
 
 def test_prefixkey():
     key = PrefixKey('emails')
-    assert key == 'emails'
+    assert key == 'emails#'
     assert isinstance(key, PrefixKey)
 
+    delimiter = PrefixKey('emails', None)
+    assert delimiter == 'emails'
+
 
 def test_transact_write_items(
     dynamodb_seeds,
@@ -195,7 +198,7 @@ def test_collection_get_items(
 
     # This data was added from seeds
     emails = collect.get_items(
-        KeyPair('5OxmMjL-ujoR5IMGegQz', PrefixKey('emails#')),
+        KeyPair('5OxmMjL-ujoR5IMGegQz', PrefixKey('emails')),
     )
     assert emails == {
         'items': [

layercake/uv.lock

@@ -417,7 +417,7 @@ wheels = [
 
 [[package]]
 name = "layercake"
-version = "0.1.1"
+version = "0.1.4"
 source = { editable = "." }
 dependencies = [
     { name = "aws-lambda-powertools", extra = ["all"] },