Optimize runner Docker image building

.dockerignore

@@ -0,0 +1,14 @@
+.gitea
+.gitignore
+.env
+__pycache__
+md_images
+*.pyc
+*.pyo
+*.pyd
+*.ini
+*.sample
+LICENSE
+dockerfile
+.dockerignore
+README.md

.gitea/workflows/docker-build.yml

@@ -20,15 +20,6 @@ jobs:
           platforms: linux/amd64,linux/arm64
           driver-opts: |
             image=moby/buildkit:latest
-            network=host
-
-      - name: Cache Docker layers
-        uses: actions/cache@v3
-        with:
-          path: /tmp/.buildx-cache
-          key: ${{ runner.os }}-buildx-${{ github.sha }}
-          restore-keys: |
-            ${{ runner.os }}-buildx-
 
       - name: Log in to registry
         uses: docker/login-action@v2
@@ -43,13 +34,8 @@ jobs:
           context: .
           platforms: linux/amd64,linux/arm64
           push: true
-          cache-from: type=local,src=/tmp/.buildx-cache
-          cache-to: type=local,dest=/tmp/.buildx-cache-new,mode=max
+          cache-from: type=registry,ref=${{ vars.REGISTRY }}/${{ github.repository_owner }}/${{ vars.IMAGE_NAME }}:cache
+          cache-to: type=registry,ref=${{ vars.REGISTRY }}/${{ github.repository_owner }}/${{ vars.IMAGE_NAME }}:cache,mode=max
           tags: |
             ${{ vars.REGISTRY }}/${{ github.repository_owner }}/${{ vars.IMAGE_NAME }}:latest
             ${{ vars.REGISTRY }}/${{ github.repository_owner }}/${{ vars.IMAGE_NAME }}:${{ github.sha }}
-
-      - name: Move cache
-        run: |
-          rm -rf /tmp/.buildx-cache
-          mv /tmp/.buildx-cache-new /tmp/.buildx-cache

dockerfile

@@ -1,23 +1,36 @@
 # Use official Python image
-FROM python:3.11-slim
+FROM python:3.11-slim as builder
 
-# Set working directory
-WORKDIR /app
-
-# Install dependencies
+# Install system dependencies for building
 RUN apt-get update && apt-get install -y \
     gcc \
     python3-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install tini for better signal handling in container
-RUN apt-get update && apt-get install -y tini
+# Create virtual environment
+RUN python -m venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
 
 # Copy requirements first to leverage Docker cache
 COPY requirements.txt .
 
-# Install Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
+# Install Python dependencies with cache dir
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --no-cache-dir -r requirements.txt
+
+# Final stage
+FROM python:3.11-slim
+
+# Set working directory
+WORKDIR /app
+
+# Install tini for better signal handling in container
+RUN apt-get update && apt-get install -y tini && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy virtual environment from builder
+COPY --from=builder /opt/venv /opt/venv
+ENV PATH="/opt/venv/bin:$PATH"
 
 # Create a non-root user
 RUN groupadd -r bot && useradd -r -g bot bot
@@ -26,14 +39,9 @@ RUN groupadd -r bot && useradd -r -g bot bot
 COPY --chown=bot:bot . .
 
 # Create directories for persistent storage and modify permissions
-RUN chown -R bot:bot /app && \
-    chmod -R 777 /app
-RUN mkdir -p logs && \
-    chown -R bot:bot logs && \
-    chmod -R 777 logs && \
-    mkdir -p embed && \
-    chown -R bot:bot embed && \
-    chmod -R 777 embed
+RUN mkdir -p logs embed && \
+    chown -R bot:bot /app logs embed && \
+    chmod -R 777 /app logs embed
 
 # Switch to non root user
 USER bot