feat: added dockerfile and docker image push workflow for xqueue

.github/workflows/push-xqueue-image.yaml

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+name: Build and Push Xqueue Image
+
+on:
+  workflow_dispatch:
+    inputs:
+      branch:
+        description: "Target branch from which the source dockerfile from image will be sourced"
+
+  schedule:
+    - cron: "0 4 * * 1-5"  # UTC Time
+
+#  Added for testing purposes. Will remove once the PR is finalised
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Get tag name
+        id: get-tag-name
+        uses: actions/github-script@v5
+        with:
+          script: |
+            const tagName = "${{ github.event.inputs.branch }}" || 'latest';
+            console.log('Will use tag: ' + tagName);
+            return tagName;
+          result-encoding: string
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Build and push Dev Docker image
+        uses: docker/build-push-action@v6
+        with:
+          file: ./dockerfiles/xqueue.Dockerfile
+          push: true
+          target: dev
+          tags: edxops/xqueue-dev-test:${{ steps.get-tag-name.outputs.result }}
+
+      - name: Send failure notification
+        if: failure()
+        uses: dawidd6/action-send-mail@v3
+        with:
+          server_address: email-smtp.us-east-1.amazonaws.com
+          server_port: 465
+          username: ${{secrets.edx_smtp_username}}
+          password: ${{secrets.edx_smtp_password}}
+          subject: Push Image to docker.io/edxops failed in Xqueue
+          to: [email protected]
+          from: github-actions <[email protected]>
+          body: Push Image to docker.io/edxops for Xqueue failed! For details see "github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"

dockerfiles/xqueue.Dockerfile

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+FROM ubuntu:focal as app
+
+# System requirements
+
+RUN apt-get update && \
+    apt-get upgrade -qy && DEBIAN_FRONTEND=noninteractive apt-get install language-pack-en locales git \
+    python3.8-dev python3-virtualenv libmysqlclient-dev libssl-dev build-essential pkg-config wget unzip -qy && \
+    rm -rf /var/lib/apt/lists/*
+
+# Python is Python3.
+RUN ln -s /usr/bin/python3 /usr/bin/python
+
+# Use UTF-8.
+RUN locale-gen en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+
+ARG COMMON_APP_DIR="/edx/app"
+ARG XQUEUE_APP_DIR="${COMMON_APP_DIR}/xqueue"
+ENV XQUEUE_APP_DIR="${COMMON_APP_DIR}/xqueue"
+ENV XQUEUE_VENV_DIR="${COMMON_APP_DIR}/xqueue/venvs/xqueue"
+ENV XQUEUE_CODE_DIR="${XQUEUE_APP_DIR}/xqueue"
+
+ENV PATH="$XQUEUE_VENV_DIR/bin:$PATH"
+
+# Working directory will be root of repo.
+WORKDIR ${XQUEUE_CODE_DIR}
+
+# Install curl
+RUN apt-get update && apt-get install -y curl
+# cloning git repo
+RUN curl -L https://github.com/openedx/edx-notes-api/archive/refs/heads/master.tar.gz | tar -xz --strip-components=1
+
+RUN virtualenv -p python3.8 --always-copy ${XQUEUE_VENV_DIR}
+
+
+# placeholder file for the time being unless devstack provisioning scripts need it.
+RUN touch ${XQUEUE_APP_DIR}/xqueue_env
+
+# Expose ports.
+EXPOSE 8040
+
+FROM app as dev
+
+# xqueue service config commands below
+RUN pip install -r ${XQUEUE_CODE_DIR}/requirements/dev.txt
+
+
+ENV DJANGO_SETTINGS_MODULE xqueue.devstack
+
+CMD while true; do python ./manage.py runserver 0.0.0.0:8040; sleep 2; done
+
+FROM app as production
+
+# xqueue service config commands below
+RUN pip install -r ${XQUEUE_APP_DIR}/requirements.txt
+
+
+ENV DJANGO_SETTINGS_MODULE xqueue.production
+
+CMD gunicorn \
+    --pythonpath=/edx/app/xqueue/xqueue \
+    --timeout=300 \
+    -b 0.0.0.0:8040 \
+    -w 2 \
+    - xqueue.wsgi:application