update deployment to use UV

Author: vincentsarago

.github/workflows/deploy.yml

@@ -40,23 +40,11 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: us-east-1
 
-      - name: Set up Node.js
-        uses: actions/setup-node@v6
-        with:
-          node-version: '24.x'
-
-      - name: Install cdk
-        run: npm install -g
-
-      - name: Set up Python
-        uses: actions/setup-python@v6
-        with:
-          python-version: '3.x'
-
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
+      
       - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install -r requirements-cdk.txt
+        run: uv sync --all-packages && npm install -g aws-cdk@2.159.1
 
       # Let's wait a bit to make sure package is available on pypi
       - name: Sleep for 120 seconds
@@ -65,7 +53,7 @@ jobs:
 
       # Build and Deploy CDK application
       - name: Build & Deploy
-        run: npm run cdk -- deploy ${{ secrets.STACK_NAME }}-lambda-${{ secrets.STACK_STAGE }} --require-approval never
+        run: uv run cdk deploy ${{ secrets.STACK_NAME }}-lambda-${{ secrets.STACK_STAGE }} --require-approval never
         env:
           TITILER_STACK_NAME: ${{ secrets.STACK_NAME }}
           TITILER_STACK_STAGE: ${{ secrets.STACK_STAGE }}

deployment/aws/cdk/app.py renamed to deployment/aws/app.py

@@ -9,10 +9,55 @@
 from aws_cdk import aws_lambda
 from aws_cdk import aws_logs as logs
 from aws_cdk.aws_apigatewayv2_integrations import HttpLambdaIntegration
-from config import StackSettings
 from constructs import Construct
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
-settings = StackSettings()
+
+class StackSettings(BaseSettings):
+    """Application settings"""
+
+    name: str = "titiler"
+    stage: str = "production"
+
+    owner: Optional[str] = None
+    client: Optional[str] = None
+
+    # Default options are optimized for CloudOptimized GeoTIFF
+    # For more information on GDAL env see: https://gdal.org/user/configoptions.html
+    # or https://developmentseed.org/titiler/advanced/performance_tuning/
+    env: Dict = {
+        "GDAL_CACHEMAX": "200",  # 200 mb
+        "GDAL_DISABLE_READDIR_ON_OPEN": "EMPTY_DIR",
+        "GDAL_INGESTED_BYTES_AT_OPEN": "32768",  # get more bytes when opening the files.
+        "GDAL_HTTP_MERGE_CONSECUTIVE_RANGES": "YES",
+        "GDAL_HTTP_MULTIPLEX": "YES",
+        "GDAL_HTTP_VERSION": "2",
+        "PYTHONWARNINGS": "ignore",
+        "VSI_CACHE": "TRUE",
+        "VSI_CACHE_SIZE": "5000000",  # 5 MB (per file-handle)
+    }
+
+    # S3 bucket names where TiTiler could do HEAD and GET Requests
+    # specific private and public buckets MUST be added if you want to use s3:// urls
+    # You can whitelist all bucket by setting `*`.
+    # ref: https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-arn-format.html
+    buckets: List = []
+
+    # S3 key pattern to limit the access to specific items (e.g: "my_data/*.tif")
+    key: str = "*"
+
+    ###########################################################################
+    # AWS LAMBDA
+    # The following settings only apply to AWS Lambda deployment
+    # more about lambda config: https://www.sentiatechblog.com/aws-re-invent-2020-day-3-optimizing-lambda-cost-with-multi-threading
+    timeout: int = 10
+    memory: int = 1536
+
+    # The maximum of concurrent executions you want to reserve for the function.
+    # Default: - No specific limit - account limit.
+    max_concurrent: Optional[int] = None
+
+    model_config = SettingsConfigDict(env_prefix="TITILER_STACK_", env_file=".env")
 
 
 class titilerLambdaStack(Stack):
@@ -112,6 +157,7 @@ def __init__(
 
 
 app = App()
+settings = StackSettings()
 
 perms = []
 if settings.buckets:

deployment/aws/cdk.json

@@ -1,3 +1,3 @@
 {
-    "app": "python3 cdk/app.py"
+    "app": "python3 app.py"
 }

deployment/aws/cdk/__init__.py

@@ -0,0 +1,12 @@
+[project]
+name = "titiler-cdk"
+version = "0.0.0"
+
+dependencies = [
+    # aws cdk
+    "aws-cdk-lib==2.201.0",
+    "constructs>=10.0.0",
+    # pydantic settings
+    "pydantic~=2.0",
+    "pydantic-settings~=2.0",
+]