use arm64 for alpr_cache (renamed from alpr_cluster)

serverless/alpr_cache/README.md

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+# ALPR Clusters
+
+Generates clusters (the blobs shown on the map when zoomed out far) daily using OSM data. OSM's Overpass API is used to query for all locations of ALPRs, then a clustering algorithm is used. The clustered data is stored in a JSON file in an S3 bucket.
+
+## Deploying
+To build and deploy the Docker image, run `./deploy.sh`.

serverless/alpr_cache/deploy.sh

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+#!/bin/bash
+
+ECR_REPO_URL=912821578123.dkr.ecr.us-east-1.amazonaws.com/alpr_cache-lambda
+
+set -e
+
+# check if AWS role is assumed
+if ! aws sts get-caller-identity &> /dev/null; then
+  echo "Error: AWS role is not assumed. Please assume the necessary role and try again."
+  exit 1
+fi
+
+cd src
+
+# login to ECR
+aws ecr get-login-password --region us-east-1 | docker login --username AWS --password-stdin $ECR_REPO_URL
+
+# build and push Docker image to ECR for ARM64 using legacy format
+docker buildx build --platform linux/arm64 -t $ECR_REPO_URL:latest --load .
+docker push $ECR_REPO_URL:latest
+
+# update lambda function
+# export AWS_PAGER=""
+# aws lambda update-function-code --function-name alpr_cache --image-uri $ECR_REPO_URL:latest
+
+echo "Deployed!"

serverless/alpr_cache/src/Dockerfile

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+# Use the official AWS Lambda Python 3.14 base image from public ECR
+FROM public.ecr.aws/lambda/python:3.14-arm64
+
+# Copy function code
+COPY alpr_cache.py ${LAMBDA_TASK_ROOT}
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+
+# Set the CMD to your handler
+CMD ["alpr_cache.lambda_handler"]

serverless/alpr_cache/src/requirements.txt

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+boto3
+requests