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# Stage 1 — Build the React frontend
# ─────────────────────────────────────────────
FROM node:20-alpine AS frontend-builder
WORKDIR /app/frontend
# Install dependencies first (cache-friendly)
COPY frontend/package*.json ./
RUN npm ci
# Copy source and build
COPY frontend/ ./
RUN npm run build
# ─────────────────────────────────────────────
# Stage 2 — Build the Go backend
# ─────────────────────────────────────────────
FROM golang:1.21-alpine AS backend-builder
WORKDIR /app/backend
# Copy go module files first for caching
COPY backend/go.mod backend/go.sum ./
RUN go mod download
# Copy source and build a static binary
COPY backend/ ./
RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o /portfolio-api ./cmd/main.go
# ─────────────────────────────────────────────
# Stage 3 — Final image with Nginx + Go binary
# ─────────────────────────────────────────────
FROM nginx:1.25-alpine
# Install supervisord to run two processes
RUN apk add --no-cache supervisor
# Copy built frontend into Nginx web root
COPY --from=frontend-builder /app/frontend/dist /usr/share/nginx/html
# Copy compiled Go binary
COPY --from=backend-builder /portfolio-api /app/portfolio-api
# Copy Nginx config
COPY nginx.conf /etc/nginx/nginx.conf
# Copy supervisord config
COPY supervisord.conf /etc/supervisord.conf
# Hugging Face Spaces injects a random non-root UID at runtime.
# We can't use USER 1000 because that UID may not exist in /etc/passwd.
# Instead we make all writable paths accessible to any UID.
RUN mkdir -p /var/cache/nginx /var/log/nginx /var/run /tmp/nginx \
&& chmod -R 777 /var/cache/nginx /var/log/nginx /var/run /tmp/nginx \
&& chmod -R 755 /usr/share/nginx/html \
&& chmod +x /app/portfolio-api \
# Allow nginx to write its PID to /tmp (world-writable) instead of /var/run
&& sed -i 's|/var/run/nginx.pid|/tmp/nginx/nginx.pid|g' /etc/nginx/nginx.conf 2>/dev/null || true
EXPOSE 7860
CMD ["/usr/bin/supervisord", "-c", "/etc/supervisord.conf"]
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