Passt so

Dockerfile

@@ -0,0 +1,19 @@
+# --- Build step ---
+    FROM golang:1.22 AS build
+    WORKDIR /app
+    COPY go.mod go.sum ./
+    RUN go mod download
+    COPY . .
+    RUN CGO_ENABLED=0 go build -o /blog ./cmd/blog
+    
+    # --- Runtime + optional MySQL client libraries ---
+    FROM debian:bookworm-slim
+    RUN apt-get update && apt-get install -y default-mysql-client ca-certificates && rm -rf /var/lib/apt/lists/*
+    COPY --from=build /blog /usr/local/bin/blog
+    COPY content/ /content
+    COPY internal/web/static/ /static
+    EXPOSE 8080
+    ENV BLOG_CONTENT_DIR=/content
+    ENV BLOG_STATIC_DIR=/static
+    CMD ["blog"]
+