wip: testing container workflows and deployment images (#715)

* feat: add Dockerfile.multi for building API, Client, and Data Provider

feat: add nginx.conf for client-side routing in Nginx

feat: add deploy-compose.yml for deploying the application with Docker Compose

chore: update version in deploy-compose.yml to 3.8

chore: remove unused configuration in docs/dev/deploy-compose.yml

* chore(Dockerfile.multi): Remove data-provider build stage
chore(deploy-compose.yml): Add NODE_ENV=production environment variable

* chore(Dockerfile.multi): add environment variable NODE_OPTIONS with value "--max-old-space-size=776"
feat(Dockerfile.multi): copy client build output to api build stage

* chore(Dockerfile.multi): update NODE_OPTIONS to increase max-old-space-size to 2048
chore(deploy-compose.yml): remove NODE_ENV=production environment variable

* feat(dev-images.yml): add GitHub Actions workflow for Docker multi-stage build on push to main branch

.github/workflows/dev-images.yml

@@ -0,0 +1,46 @@
+name: Docker Multi-Stage Build on Push to Main
+
+# The workflow is triggered when a push is made to the main branch
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      # Check out the repository
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      # Set up Docker
+      - name: Set up Docker
+        uses: docker/setup-buildx-action@v1
+
+      # Log in to GitHub Container Registry
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # Build Docker images
+      - name: Build Docker images
+        run: |
+          cp .env.example .env
+          docker build -f Dockerfile.multi --target api-build -t librechat-dev-api .
+          docker build -f Dockerfile.multi --target prod-stage -t librechat-dev-client .
+          docker build -f Dockerfile -t librechat-dev .
+
+      # Tag and push the images to GitHub Container Registry
+      - name: Tag and push images
+        run: |
+          docker tag librechat-dev-api:latest ghcr.io/${{ github.repository_owner }}/librechat-dev-api:${{ github.sha }}
+          docker push ghcr.io/${{ github.repository_owner }}/librechat-dev-api:${{ github.sha }}
+          docker tag librechat-dev-client:latest ghcr.io/${{ github.repository_owner }}/librechat-dev-client:${{ github.sha }}
+          docker push ghcr.io/${{ github.repository_owner }}/librechat-dev-client:${{ github.sha }}
+          docker tag librechat-dev:latest ghcr.io/${{ github.repository_owner }}/librechat-dev:${{ github.sha }}
+          docker push ghcr.io/${{ github.repository_owner }}/librechat-dev:${{ github.sha }}