feat: implement multi-stage Docker build for TypeScript and Python and added label org.opencontainers.image.source

Dockerfile

@@ -1,5 +1,22 @@
-# Use an official Python runtime as a parent image
-FROM python:3.12-slim
+# Stage 1: TypeScript build
+FROM node:22.16.0-slim AS typescript-builder
+
+# Set working directory
+WORKDIR /app
+
+# Copy necessary files for TypeScript build
+COPY tsconfig.json ./tsconfig.json
+COPY src/js ./src/js
+
+# Install TypeScript globally
+RUN npm install -g typescript
+
+# Compile TypeScript
+RUN tsc
+
+# Stage 2: Final image
+FROM python:3.12-slim AS python-builder
+LABEL org.opencontainers.image.source="https://github.com/Xoconoch/spotizerr"
 
 # Set the working directory in the container
 WORKDIR /app
@@ -10,28 +27,19 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     gosu \
     git \
     ffmpeg \
-    nodejs \
-    npm \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
-# Copy requirements file
-COPY requirements.txt .
-
 # Install Python dependencies
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Copy static files generated by TypeScript
+COPY --from=typescript-builder /app/static/js ./static/js
+
 # Copy application code
 COPY . .
 
-# Install TypeScript globally
-RUN npm install -g typescript
-
-# Compile TypeScript
-# tsc will use tsconfig.json from the current directory (/app)
-# It will read from /app/src/js and output to /app/static/js
-RUN tsc
-
 # Create necessary directories with proper permissions
 RUN mkdir -p downloads data/config data/creds data/watch data/history logs/tasks && \
     chmod -R 777 downloads data logs