Add Go rewrite with Postgres 17 and Dokploy Docker Compose

Co-authored-by: Cursor <cursoragent@cursor.com>

Go/Dockerfile

@@ -0,0 +1,35 @@
+# syntax=docker/dockerfile:1
+# Multi-stage build optimized for Dokploy / docker compose.
+
+FROM golang:1.22-alpine AS builder
+RUN apk add --no-cache git ca-certificates tzdata
+WORKDIR /src
+
+COPY go.mod go.sum* ./
+RUN go mod download
+
+COPY . .
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
+    go build -trimpath -ldflags="-s -w" -o /out/server ./cmd/server \
+ && go build -trimpath -ldflags="-s -w" -o /out/cleanup ./cmd/cleanup
+
+FROM alpine:3.20
+RUN apk add --no-cache ca-certificates tzdata wget \
+ && addgroup -S app && adduser -S -G app app
+WORKDIR /app
+
+COPY --from=builder /out/server /app/server
+COPY --from=builder /out/cleanup /app/cleanup
+COPY migrations /app/migrations
+COPY web /app/web
+
+ENV APP_PORT=30000 \
+    TZ=UTC
+
+USER app
+EXPOSE 30000
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
+  CMD wget -qO- http://127.0.0.1:30000/health || exit 1
+
+ENTRYPOINT ["/app/server"]