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Dockerfile

@@ -1,54 +1,62 @@
-# ═══════════════════════════════════════════════════════
-#  Kentro – Nigerian Draughts Platform
-#  Multi-stage build: unzip src → build frontend → build backend → runtime
-# ═══════════════════════════════════════════════════════
+# ═══════════════════════════════════════════════════════════
+#  Kentro – Nigerian Draughts  |  Multi-stage Docker build
+#  Stage 1: unzip source
+#  Stage 2: build React frontend
+#  Stage 3: compile Go backend
+#  Stage 4: Python runtime (SCAN engine bridge)
+# ═══════════════════════════════════════════════════════════
 
-# ── Stage 1: Unpack source ────────────────────────────────────────────────────
+# ── 1. Unpack ─────────────────────────────────────────────
 FROM alpine:3.19 AS unpacker
 WORKDIR /src
 RUN apk add --no-cache unzip
 COPY kentro_src.zip .
-RUN unzip kentro_src.zip && rm kentro_src.zip
+RUN unzip -q kentro_src.zip && rm kentro_src.zip
 
-# ── Stage 2: Build React frontend ─────────────────────────────────────────────
-FROM node:20-alpine AS frontend-builder
-WORKDIR /build
+# ── 2. Frontend (React + Vite + Tailwind) ─────────────────
+FROM node:20-alpine AS frontend
+WORKDIR /app
 COPY --from=unpacker /src/frontend/package*.json ./
 RUN npm ci --silent
 COPY --from=unpacker /src/frontend/ .
 RUN npm run build
 
-# ── Stage 3: Build Go backend ─────────────────────────────────────────────────
-FROM golang:1.22-alpine AS backend-builder
-WORKDIR /build
+# ── 3. Backend (Go) ───────────────────────────────────────
+FROM golang:1.22-alpine AS backend
+WORKDIR /app
 COPY --from=unpacker /src/backend/go.mod /src/backend/go.sum ./
 RUN go mod download
 COPY --from=unpacker /src/backend/ .
-RUN CGO_ENABLED=0 GOOS=linux go build -ldflags="-s -w" -o server ./cmd/server
+RUN CGO_ENABLED=0 GOOS=linux \
+    go build -ldflags="-s -w" -o server ./cmd/server
 
-# ── Stage 4: Runtime image ────────────────────────────────────────────────────
+# ── 4. Runtime ────────────────────────────────────────────
 FROM python:3.11-slim
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
-    ca-certificates && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ca-certificates && \
+    rm -rf /var/lib/apt/lists/*
+
+# Go binary + frontend assets
+COPY --from=backend   /app/server          ./server
+COPY --from=frontend  /app/dist/           ./frontend/dist/
 
-RUN pip install --no-cache-dir --quiet \
-    flask flask-socketio eventlet
+# Python engine bridge + board logic
+COPY --from=unpacker /src/engine_bridge.py      .
+COPY --from=unpacker /src/nigerian_draughts.py  .
+COPY --from=unpacker /src/kivy_stub.py          .
 
-COPY --from=backend-builder /build/server ./server
-COPY --from=frontend-builder /build/dist ./frontend/dist
-COPY --from=unpacker /src/engine_bridge.py .
-COPY --from=unpacker /src/nigerian_draughts.py .
-COPY --from=unpacker /src/kivy_stub.py .
-COPY --from=unpacker /src/scan_nigerian ./scan_nigerian
-COPY --from=unpacker /src/scan.ini .
-COPY --from=unpacker /src/data/ ./data/
+# SCAN engine binary + config + eval weights
+COPY --from=unpacker /src/scan_nigerian         ./scan_nigerian
+COPY --from=unpacker /src/scan.ini              .
+COPY --from=unpacker /src/data/                 ./data/
 
-RUN mkdir -p /data && \
-    useradd -r -s /bin/false appuser && \
-    chown -R appuser:appuser /app
-RUN chmod +x /app/scan_nigerian
+# Permissions + non-root user
+RUN chmod +x ./scan_nigerian && \
+    useradd -r -u 1001 -s /bin/false appuser && \
+    chown -R appuser:appuser /app && \
+    mkdir -p /data && chown appuser:appuser /data
 
 USER appuser
 EXPOSE 7860
@@ -56,4 +64,4 @@ EXPOSE 7860
 ENV PORT=7860 \
     STATIC_DIR=/app/frontend/dist
 
-CMD ["/app/server"]
+CMD ["./server"]

kentro_src.zip

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:f37e0fc1a05e4bd18d2bf16e368bf7b223cb15ab37a62281c93faa448281b266
-size 6382680
+oid sha256:f1b845eb54948b1710022db0f0309cebe5139895a8e8164d7789f00c397c6b7d
+size 6380643