Move docker artefacts into /docker directory

docker/Dockerfile

@@ -0,0 +1,60 @@
+# *************
+# Builder
+# *************
+FROM rustlang/rust:nightly AS builder
+
+# Install build dependencies
+RUN apt-get update && apt-get install -y \
+    pkg-config \
+    libssl-dev \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy all source files
+COPY . .
+
+# Build the application
+RUN cargo build --release --locked
+
+# *************
+# Runtime
+# *************
+FROM debian:bookworm-slim
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+    ca-certificates \
+    openssl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create non-root user
+RUN useradd -m -s /bin/bash brk
+
+# Copy binary from builder
+COPY --from=builder /app/target/release/brk /usr/local/bin/brk
+
+# Copy websites directory
+COPY --from=builder /app/websites /app/websites
+
+# Set ownership
+RUN chown -R brk:brk /app
+
+# Switch to non-root user
+USER brk
+
+# Create directories for BRK data
+RUN mkdir -p /home/brk/.brk
+
+# Expose API port
+EXPOSE 3110
+
+# Set working directory
+WORKDIR /home/brk
+
+# Default entrypoint
+ENTRYPOINT ["brk"]
+
+# Default command (can be overridden)
+CMD ["--services", "all"]