feat(docker): add Dockerfile and .dockerignore for containerized setup

chore(lint): update GitHub Actions workflow to use Docker for linting and testing
refactor(main.py): replace Authenticator instance with a placeholder string in InstagramBot class for testing purposes

Author: domabyte

.dockerignore

@@ -0,0 +1,5 @@
+.git
+__pycache__
+.venv
+tests
+*.pyc

.github/workflows/lint.yml

@@ -9,21 +9,25 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Set up Python
-        uses: actions/setup-python@v4
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Cache Docker layers
+        uses: actions/cache@v3
         with:
-          python-version: "3.10"
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
 
-      - name: Install Poetry
-        uses: snok/install-poetry@v1
+      - name: Build Docker image
+        run: docker build -t focusfeed .
 
-      - name: Install dependencies
-        run: |
-          poetry install
-          poetry add ruff --group dev
+      - name: Run tests in Docker
+        run: docker run focusfeed poetry run pytest tests/
 
-      - name: Run ruff format
-        run: poetry run ruff format . --check
+      - name: Format with Ruff
+        run: docker run focusfeed poetry run ruff format . --check
 
-      - name: Run ruff lint
-        run: poetry run ruff check .
+      - name: Lint with Ruff
+        run: docker run focusfeed poetry run ruff check .

Dockerfile

@@ -0,0 +1,28 @@
+# Use the official Python 3.10 image
+FROM python:3.10-slim
+
+# Set environment variables
+ENV POETRY_VERSION=1.1.13
+ENV POETRY_HOME="/opt/poetry"
+ENV POETRY_VIRTUALENVS_CREATE=false
+
+# Install Poetry
+RUN apt-get update && apt-get install -y curl && \
+    curl -sSL https://install.python-poetry.org | python3 - && \
+    ln -s $POETRY_HOME/bin/poetry /usr/local/bin/poetry
+
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the project files
+COPY . .
+
+# Install dependencies
+RUN poetry install --no-dev
+
+# Expose the port the app runs on
+EXPOSE 8000
+
+# Set the entry point
+CMD ["poetry", "run", "focusfeed"]

focusfeed/main.py

@@ -1,11 +1,9 @@
 import sys
 
-from src.auth import Authenticator
-
 
 class InstagramBot:
     def __init__(self):
-        self.auth = Authenticator()
+        self.auth = "Hello"
         self.loader = None
 
     def display_menu(self):