indicators and plots

deploy/Dockerfile-backend

@@ -1,3 +1,27 @@
 FROM python:3.14-alpine
 
-COPY python/src /app/src
+# Install TA-Lib C library and build dependencies
+RUN apk add --no-cache --virtual .build-deps \
+    gcc \
+    g++ \
+    make \
+    musl-dev \
+    wget \
+    && apk add --no-cache \
+    ta-lib \
+    && rm -rf /var/cache/apk/*
+
+# Set working directory
+WORKDIR /app
+
+# Copy requirements first for better caching
+COPY backend/requirements.txt /app/requirements.txt
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Clean up build dependencies
+RUN apk del .build-deps
+
+# Copy application code
+COPY backend/src /app/src