feat: add workflow and dockerfile for credentials

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

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+name: Build and Push Credentials 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
+
+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: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Build and push Dev Docker image
+        uses: docker/build-push-action@v6
+        with:
+          file: ./dockerfiles/credentials.Dockerfile
+          push: true
+          target: dev
+          tags: edxops/credentials-dev:${{ 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: ${{secrets.edx_smtp_password}}
+          subject: Push Image to docker.io/edxops failed in credentials
+          to: team-cosmonauts@edx.org
+          from: github-actions <github-actions@edx.org>
+          body: Push Image to docker.io/edxops for credentials failed! For details see "github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"

dockerfiles/credentials.Dockerfile

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+FROM ubuntu:focal as base
+
+# System requirements
+# - git; Used to pull in particular requirements from github rather than pypi,
+# and to check the sha of the code checkout.
+# - language-pack-en locales; ubuntu locale support so that system utilities have a consistent
+# language and time zone.
+# - python; ubuntu doesnt ship with python, so this is the python we will use to run the application
+# - python3-pip; install pip to install application requirements.txt files
+# - libssl-dev; # mysqlclient wont install without this.
+# - libmysqlclient-dev; to install header files needed to use native C implementation for
+# MySQL-python for performance gains.
+# - wget; to download a watchman binary archive
+# - unzip; to unzip a watchman binary archive
+# - pkg-config; mysqlclient>=2.2.0 requires pkg-config (https://github.com/PyMySQL/mysqlclient/issues/620)
+
+# If you add a package here please include a comment above describing what it is used for
+RUN apt-get update && \
+    apt-get install -y software-properties-common && \
+    apt-add-repository -y ppa:deadsnakes/ppa && apt-get update && \
+    apt-get upgrade -qy && apt-get install language-pack-en locales gettext git \
+    python3.11-dev python3.11-venv libmysqlclient-dev libssl-dev build-essential wget unzip pkg-config curl -qy && \
+    rm -rf /var/lib/apt/lists/*
+
+# Create Python env
+ENV VIRTUAL_ENV=/edx/app/credentials/venvs/credentials
+RUN python3.11 -m venv $VIRTUAL_ENV
+ENV PATH="$VIRTUAL_ENV/bin:$PATH"
+
+# Create Node env
+RUN pip install nodeenv
+ENV NODE_ENV=/edx/app/credentials/nodeenvs/credentials
+RUN nodeenv $NODE_ENV --node=18.17.1 --prebuilt
+ENV PATH="$NODE_ENV/bin:$PATH"
+RUN npm install -g npm@9.x.x
+
+RUN locale-gen en_US.UTF-8
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+ENV DJANGO_SETTINGS_MODULE credentials.settings.production
+ENV OPENEDX_ATLAS_PULL true
+ENV CREDENTIALS_CFG "minimal.yml"
+
+EXPOSE 18150
+RUN useradd -m --shell /bin/false app
+
+# Install watchman
+RUN wget https://github.com/facebook/watchman/releases/download/v2023.11.20.00/watchman-v2023.11.20.00-linux.zip
+RUN unzip watchman-v2023.11.20.00-linux.zip
+RUN mkdir -p /usr/local/{bin,lib} /usr/local/var/run/watchman
+RUN cp watchman-v2023.11.20.00-linux/bin/* /usr/local/bin
+RUN cp watchman-v2023.11.20.00-linux/lib/* /usr/local/lib
+RUN chmod 755 /usr/local/bin/watchman
+RUN chmod 2777 /usr/local/var/run/watchman
+
+# Now install credentials
+WORKDIR /edx/app/credentials/credentials
+
+# fetching the requirement files that are needed
+RUN mkdir -p requirements
+RUN curl -L -o requirements/pip_tools.txt https://raw.githubusercontent.com/openedx/credentials/master/requirements/pip_tools.txt
+RUN curl -L -o requirements/production.txt https://raw.githubusercontent.com/openedx/credentials/master/requirements/production.txt
+
+# Dependencies are installed as root so they cannot be modified by the application user.
+RUN pip install -r requirements/pip_tools.txt
+RUN pip install -r requirements/production.txt
+
+RUN mkdir -p /edx/var/log
+# Cloning git repo
+# This line is after the python requirements so that changes to the code will not
+# bust the image cache
+RUN curl -L https://github.com/openedx/credentials/archive/refs/heads/master.tar.gz | tar -xz --strip-components=1
+
+# Fetch the translations into the image once the Makefile's in place
+RUN make pull_translations
+
+# Install dependencies in node_modules directory
+RUN npm install --no-save
+ENV NODE_BIN=/edx/app/credentials/credentials/node_modules
+ENV PATH="$NODE_BIN/.bin:$PATH"
+# Run webpack
+RUN webpack --config webpack.config.js
+
+# Change static folder owner to application user.
+RUN chown -R app:app /edx/app/credentials/credentials/credentials/static
+
+# Code is owned by root so it cannot be modified by the application user.
+# So we copy it before changing users.
+USER app
+
+# Gunicorn 19 does not log to stdout or stderr by default. Once we are past gunicorn 19, the logging to STDOUT need not be specified.
+CMD gunicorn --workers=2 --name credentials -c /edx/app/credentials/credentials/credentials/docker_gunicorn_configuration.py --log-file - --max-requests=1000 credentials.wsgi:application
+
+# We don't switch back to the app user for devstack because we need devstack users to be
+# able to update requirements and generally run things as root.
+FROM base as dev
+USER root
+ENV DJANGO_SETTINGS_MODULE credentials.settings.devstack
+RUN pip install -r /edx/app/credentials/credentials/requirements/dev.txt
+RUN make pull_translations
+
+# Temporary compatibility hack while devstack is supporting
+# both the old `edxops/credentials` image and this image:
+# Add in a dummy ../credentials_env file.
+# The credentials_env file was originally needed for sourcing to get
+# environment variables like DJANGO_SETTINGS_MODULE, but now we just set
+# those variables right in the Dockerfile.
+RUN touch ../credentials_env
+
+CMD while true; do python ./manage.py runserver 0.0.0.0:18150; sleep 2; done