feat: update Dockerfile and requirements for ML dependencies; add base image build workflow

.gitea/workflows/build-base.yml

@@ -0,0 +1,37 @@
+name: Build Worker Base Image
+
+on:
+  workflow_dispatch:
+  push:
+    paths:
+      - 'Dockerfile.base'
+      - 'requirements.base.txt'
+    branches:
+      - main
+
+jobs:
+  build-base:
+    runs-on: ubuntu-latest
+    permissions:
+      packages: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.siwatsystem.com
+          username: ${{ github.actor }}
+          password: ${{ secrets.RUNNER_TOKEN }}
+        
+      - name: Build and push base Docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          file: ./Dockerfile.base
+          push: true
+          tags: git.siwatsystem.com/adsist-cms/worker-base:latest

Dockerfile

@@ -1,19 +1,11 @@
-# Use the official Python image from the Docker Hub
-FROM python:3.13-bookworm
+# Use our pre-built base image with ML dependencies
+FROM git.siwatsystem.com/adsist-cms/worker-base:latest
 
-# Set the working directory in the container
-WORKDIR /app
-
-# Copy the requirements file into the container at /app
+# Copy and install application requirements (frequently changing dependencies)
 COPY requirements.txt .
-
-# Update apt, install libgl1, and clear apt cache
-RUN apt update && apt install -y libgl1 && rm -rf /var/lib/apt/lists/*
-
-# Install any dependencies specified in requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy the rest of the application code into the container at /app
+# Copy the application code
 COPY . .
 
 # Run the application

Dockerfile.base

@@ -0,0 +1,15 @@
+# Base image with all ML dependencies
+FROM python:3.13-bookworm
+
+# Install system dependencies
+RUN apt update && apt install -y libgl1 && rm -rf /var/lib/apt/lists/*
+
+# Copy and install base requirements (ML dependencies that rarely change)
+COPY requirements.base.txt .
+RUN pip install --no-cache-dir -r requirements.base.txt
+
+# Set working directory
+WORKDIR /app
+
+# This base image will be reused for all worker builds
+CMD ["python3", "-m", "fastapi", "run", "--host", "0.0.0.0", "--port", "8000"]

requirements.base.txt

@@ -0,0 +1,7 @@
+torch
+torchvision
+ultralytics
+opencv-python
+scipy
+filterpy
+psycopg2-binary

requirements.txt

@@ -1,13 +1,6 @@
 fastapi
 uvicorn
-torch
-torchvision
-ultralytics
-opencv-python
 websockets
 fastapi[standard]
 redis
 urllib3<2.0.0
-psycopg2-binary
-scipy
-filterpy