added workflow for building and pushing containers from docker/auxili…

.github/workflows/build-and-push-containers.yml

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+name: Build and Push Containers
+on:
+  pull_request:
+    types:
+      - closed
+    paths:
+      - 'docker/auxiliary-containers/**/Dockerfile'
+
+  workflow_dispatch:
+
+jobs:
+  build-and-push-containers:
+    if: github.event.pull_request.merged == true
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+      contents: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+        ## This is needed for multi-architecture builds
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Registry
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and Push Containers
+        run: bash ./docker/auxiliary-containers/build-containers.sh

docker/auxiliary-containers/build-containers.sh

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+#!/bin/bash
+
+set -euo pipefail
+
+# The names of the folders within "auxiliary-containers" must match the repository name in dockerhub!
+
+# Get the list of subdirectories within "auxiliary-containers" directory containing a Dockerfile
+subdirs=($(find ./docker/auxiliary-containers -type f -name 'Dockerfile' -exec dirname {} \;))
+
+# Loop through each subdirectory, build and push the Docker image
+for subdir in "${subdirs[@]}"; do
+  folder=$(basename "${subdir}")
+  docker buildx build \
+    --push \
+    --tag "greencoding/${folder}:latest" \
+    --platform linux/amd64,linux/arm64 \
+    "${subdir}"
+done

docker/auxiliary-containers/gcb_playwright/Dockerfile

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+FROM mcr.microsoft.com/playwright/python:v1.35.0-jammy
+
+# Install dependencies
+RUN apt-get update && apt-get install -y  curl  wget  gnupg  && rm -rf /var/lib/apt/lists/*
+
+# Install Playwright
+RUN pip install playwright==1.35.0
+
+# Set up Playwright dependencies for Chromium, Firefox and Webkit
+RUN playwright install
+RUN playwright install-deps
+
+CMD ["/bin/bash"]