build app on push to main using docker image

Author: msarkis-icr

.github/workflows/nextflow-app-docker.yml

@@ -0,0 +1,38 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+env:
+  DOCKER_IMAGE: icrsc/nextflow-app
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ env.DOCKER_IMAGE }}:latest
+            ${{ env.DOCKER_IMAGE }}:${{ github.sha }}
+
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

Dockerfile

@@ -0,0 +1,28 @@
+# Use an official Python runtime as the base image
+FROM python:3.10
+
+# Set the working directory in the container
+WORKDIR /app
+
+# Copy the current directory contents into the container at /app
+COPY . /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create and activate virtual environment
+RUN python -m venv .nf-env
+ENV PATH="/app/.nf-env/bin:$PATH"
+
+# Install Python dependencies
+RUN pip install --upgrade pip
+RUN pip install -r requirements.txt
+
+# Make port 8501 available to the world outside this container
+EXPOSE 8501
+
+# Run streamlit when the container launches
+CMD ["streamlit", "run", "index.py"]

requirements.txt

@@ -1,3 +1,4 @@
 pandas==2.2.3
 paramiko==3.5.0
 streamlit==1.39.0
+pre-commit==4.0.1