Revert "back to nix"

This reverts commit 43af5f1a76.

.github/workflows/ci.yml

@@ -33,3 +33,7 @@ jobs:
       - name: Run tests
         run: |
           go test ./...
+
+      - name: Build Docker image
+        run: |
+          docker build -t rentease .

Dockerfile

@@ -0,0 +1,23 @@
+FROM golang:1.22-alpine AS builder
+
+RUN apk add --no-cache \
+    git \
+    build-base
+
+WORKDIR /app
+
+COPY go.mod go.sum ./
+RUN go mod download
+COPY . .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /app/dist/rentease main.go
+
+FROM scratch
+
+COPY --from=builder /app/dist/rentease /app/dist/rentease
+
+WORKDIR /app
+
+EXPOSE 8000
+
+ENTRYPOINT ["/app/dist/rentease"]