DEVOPS-263 dockerization of application

Author: githubofkrishnadhas

.dockerignore

@@ -0,0 +1,5 @@
+*.jpg
+*.jpeg
+*.md
+.gitignore
+LICENSE

.github/dependabot.yml

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+version: 2
+updates:
+- package-ecosystem: "pip"
+  directory: /
+  schedule:
+    interval: "weekly"
+    day: wednesday
+    time: "11:30"
+    timezone: Asia/Kolkata
+  # Assignees to set on pull requests
+  assignees:
+  - "githubofkrishnadhas"
+  # prefix specifies a prefix for all commit messages. When you specify a prefix for commit messages,
+  # GitHub will automatically add a colon between the defined prefix and the commit message provided the
+  # defined prefix ends with a letter, number, closing parenthesis, or closing bracket.
+  commit-message:
+    prefix: "dependabot python package"
+  # Use reviewers to specify individual reviewers or teams of reviewers for all pull requests raised for a package manager.
+  reviewers:
+  - "devwithkrishna/admin"
+  # Raise pull requests for version updates to pip against the `main` branch
+  target-branch: "main"
+  # Labels on pull requests for version updates only
+  labels:
+  - "pip dependencies"
+  - "pip-packages"
+  # Increase the version requirements for Composer only when required
+  versioning-strategy: increase-if-necessary
+  # Dependabot opens a maximum of five pull requests for version updates. Once there are five open pull requests from Dependabot,
+  # Dependabot will not open any new requests until some of those open requests are merged or closed.
+  # Use open-pull-requests-limit to change this limit.
+  open-pull-requests-limit: 10

.github/workflows/build-ci.yaml

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+name: azure-app-to-get-image-details-from-acr
+on:
+  workflow_dispatch:
+
+run-name: azure-app-to-get-image-details-from-acr
+env:
+  AZURE_CLIENT_ID: ${{ secrets.AZURE_CLIENT_ID }}
+  AZURE_CLIENT_SECRET: ${{ secrets.AZURE_CLIENT_SECRET }}
+  AZURE_TENANT_ID: ${{ secrets.AZURE_TENANT_ID }}
+
+jobs:
+  azure-app-to-get-image-details-from-acr:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_ACCESS_TOKEN }}
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and publish docker image with tag
+        uses: docker/build-push-action@v6
+        with:
+          push: true
+          file: Dockerfile
+          tags: |
+            ${{ secrets.DOCKERHUB_USERNAME }}/azure-app-to-get-image-details-from-acr:latest
+
+      - name: Completed
+        run: |
+          echo "program completed successfully"

Dockerfile

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+# base image python 3.11 debian12
+FROM python:3.11-slim-bookworm
+# label
+LABEL maintained-by="githubofkrishnadhas"
+# setting workdir
+WORKDIR /app
+# copying files
+COPY . /app/
+# package updations and installations
+RUN apt-update && pip install --upgrade pip && apt install poetry -y && chmod +x entrypoint.sh
+# code file to execute when the docker container starts up (`entrypoint.sh`)
+ENTRYPOINT ["/app/entrypoint.sh"]

README.md

@@ -25,6 +25,14 @@ This app helps in displaying image details available in an azure container regis
  has enough permissions to list images, Acess ACR's. This class `EnvironmentCredential` been used. 
  [azure-identity](https://learn.microsoft.com/en-us/python/api/overview/azure/identity-readme?view=azure-python)
 
+| variable name       | value                                           |
+|---------------------|-------------------------------------------------|
+| AZURE_CLIENT_ID     | ID of a Microsoft Entra application             |
+| AZURE_TENANT_ID     | 	ID of the application's Microsoft Entra tenant |
+| AZURE_CLIENT_SECRET |	one of the application's client secrets |
+
+**The above environment variables are required**. [service-principal-with-secret](https://learn.microsoft.com/en-us/python/api/overview/azure/identity-readme?view=azure-python#service-principal-with-secret)
+
 * Microsoft Azure Container Registry Client Library for Python is used to list all images and tags in a ACR.
   [azure-containerregistry](https://learn.microsoft.com/en-us/python/api/overview/azure/containerregistry-readme?view=azure-python)
 

entrypoint.sh

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+#! /bin/bash
+
+# installng poetry and creating poetry venv
+cd /app && poetry install
+
+# run python program to start streamlit app
+poetry run streamlit run /app/streamlit.py