Add upload-static-assets

.github/workflows/upload-static-assets.yaml

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+name: upload-static-assets
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - upload-static-assets/**
+      - '*.json'
+      - .github/workflows/upload-static-assets.yaml
+  pull_request:
+    branches: [main]
+    paths:
+      - upload-static-assets/**
+      - '*.json'
+      - .github/workflows/upload-static-assets.yaml
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./upload-static-assets
+        with:
+          source-image: nginx
+          source-path: /usr/share/nginx/html
+          bucket-uri: s3://bucket/dir

upload-static-assets/README.md

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+# upload-static-assets
+
+This is an action to extract static assets in a Docker image and upload them to S3 bucket.
+
+## Getting Started
+
+TODO

upload-static-assets/action.yaml

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+name: upload-static-assets
+description: upload static assets from Docker image to S3 bucket
+
+inputs:
+  source-image:
+    description: source of Docker image
+    required: true
+  source-path:
+    description: source path in the Docker image
+    required: true
+  bucket-uri:
+    description: URI of the destination bucket, e.g. s3://bucket/dir
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - id: main
+      shell: bash
+      run: exec bash ${{ github.action_path }}/main.sh
+      env:
+        SOURCE_IMAGE: ${{ inputs.source-image }}
+        SOURCE_PATH: ${{ inputs.source-path }}
+        BUCKET_URI: ${{ inputs.bucket-uri }}

upload-static-assets/main.sh

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+#/bin/bash
+set -o pipefail
+set -eux
+
+content_dir="$(mktemp -d)"
+container_id="$(docker create "$SOURCE_IMAGE")"
+docker cp "$container_id:$SOURCE_PATH" "$content_dir"
+docker rm "$container_id"
+
+find "$content_dir" -type f
+
+docker run --rm amazon/aws-cli:latest --version
+docker run --rm \
+  -v /tmp:/tmp \
+  -e AWS_ACCESS_KEY_ID \
+  -e AWS_SECRET_ACCESS_KEY \
+  -e AWS_SESSION_TOKEN \
+  amazon/aws-cli:latest \
+  s3 sync --no-progress "$content_dir" "$BUCKET_URI"