Added build container workflow

.github/workflows/release.yml

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+---
+name: Release
+on:
+  release:
+    types:
+      - created
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Image Tag'     
+        required: true
+        type: string
+        default: 'latest'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}/mdd
+
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GHCR_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        if: ${{ ! inputs.tag }} 
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Build and push Docker image
+        if: ${{ inputs.tag }} 
+        uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ inputs.tag }}
+          labels: ${{ steps.meta.outputs.labels }}

Dockerfile

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+FROM --platform=linux/amd64 ubuntu:20.04
+
+ARG build_date=unspecified
+
+# workspace location
+ARG WORKSPACE
+ENV WORKSPACE ${WORKSPACE:-/ansible}
+ENV ANSIBLE_COLLECTIONS_PATH /
+
+COPY requirements.txt /tmp/requirements.txt
+COPY requirements.yml /tmp/requirements.yml
+USER root
+RUN mkdir /root/.ssh && bash -c 'echo -e "Host *\n  KexAlgorithms +diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1" > /root/.ssh/config'
+RUN mkdir /ansible_collections && chmod 777 /ansible_collections
+RUN apt-get update && \
+    apt-get install -y python3.8 python3-pip sshpass git && \
+    pip3 install --upgrade --no-cache-dir setuptools pip && \
+    echo "===> Installing PIP Requirements <==="  && \
+    pip3 install --no-cache -r /tmp/requirements.txt && \
+    echo "===> Installing Ansible Collections <===" && \
+    rm -rf /var/lib/apt/lists/* && \
+    ansible-galaxy collection install -r /tmp/requirements.yml
+
+ENV ANSIBLE_HOST_KEY_CHECKING=false \
+    ANSIBLE_RETRY_FILES_ENABLED=false \
+    ANSIBLE_SSH_PIPELINING=true
+
+WORKDIR ${WORKSPACE} 

requirements.txt

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+ansible==4.5.0
+virl2_client==2.6.0
+netaddr
+pynetbox
+jsonschema
+ipaddress
+paramiko
+genie
+pyats
+jmespath
+passlib
+botocore
+boto3
+nso-oc==2.79.4
+networkx
+scipy

requirements.yml

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+collections:
+  - name: https://github.com/ciscodevnet/ansible-cml.git
+    type: git
+  - source: .
+    type: dir
+  - name: https://github.com/model-driven-devops/ansible-nso.git
+    type: git
+  - name: amazon.aws
+    source: https://galaxy.ansible.com