merge github actions runner into new codebase

.aws/test.txt

@@ -1 +1,3 @@
-WARN - Dummy AWS credential!
+ERROR - HARD-CODED AWS CREDENTIALS
+bump commit 1 to trigger gh action
+

.github/workflows/docker-image.yml

@@ -0,0 +1,54 @@
+name: Build Docker Image for Raspberry Pi
+
+on:
+  push:
+    branches: [ "main", "env_modernization"]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. Pull the codebase into the runner environment
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      # 2. Set up QEMU static binaries to handle cross-platform emulation
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v4
+        with:
+          platforms: arm64,arm
+
+      # 3. Spin up a Docker BuildKit container instance
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      # 4. Authenticate to the container registry (GHCR Example)
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v4
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      # 5. Extract tag and label information to maintain organized releases
+      - name: Extract Metadata
+        id: meta
+        uses: docker/metadata-action@v6
+        with:
+          images: aidanb1409/compostsense_firmware
+          tags: |
+            type=raw,value=latest
+
+      # 6. Run Buildx execution to build and push the Pi container
+      - name: Build and Push Image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          platforms: linux/arm64,linux/arm/v7
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          # Leverages GitHub local cache so subsequent runs build instantly
+          cache-from: type=gha
+          cache-to: type=gha,mode=max