chore: build db_migrate entrypoint (#1348)

* feat: build migrate entrypoint and copy it to final image

* fix: db_migrate/main.go path

* fix: -o db_migrate

* fix: copy db_migrate

* fix: add LdkVssEnabled check

Dockerfile

@@ -38,6 +38,9 @@ RUN GOARCH=$(echo "$TARGETPLATFORM" | cut -d'/' -f2) go build \
    -ldflags="-X 'github.com/getAlby/hub/version.Tag=$TAG'" \
    -o main cmd/http/main.go
 
+RUN GOARCH=$(echo "$TARGETPLATFORM" | cut -d'/' -f2) go build \
+   -o db_migrate cmd/db_migrate/main.go
+
 COPY ./build/docker/copy_dylibs.sh .
 RUN chmod +x copy_dylibs.sh
 RUN ./copy_dylibs.sh $(echo "$TARGETPLATFORM" | cut -d'/' -f2)
@@ -51,5 +54,6 @@ ENV LD_LIBRARY_PATH=/usr/lib/nwc
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=builder /build/libldk_node.so /usr/lib/nwc/
 COPY --from=builder /build/main /bin/
+COPY --from=builder /build/db_migrate /bin/
 
 ENTRYPOINT [ "/bin/main" ]

cmd/db_migrate/main.go

@@ -70,6 +70,24 @@ func main() {
 		os.Exit(1)
 	}
 
+	// Check if VSS is enabled in the source database
+	var vssConfig db.UserConfig
+	result := fromDB.Where("key = ?", "LdkVssEnabled").First(&vssConfig)
+	if result.Error != nil {
+		if result.Error == gorm.ErrRecordNotFound {
+			logger.Logger.Error("LdkVssEnabled config not found in source DB. Migration will not proceed.")
+		} else {
+			logger.Logger.WithError(result.Error).Error("failed to query LdkVssEnabled config from source DB")
+		}
+		os.Exit(1)
+	}
+
+	if vssConfig.Value != "true" {
+		logger.Logger.Error("VSS is not enabled in the source DB (LdkVssEnabled is not 'true'). Migration will not proceed.")
+		os.Exit(1)
+	}
+	logger.Logger.Info("LdkVssEnabled check passed.")
+
 	logger.Logger.Info("migrating...")
 	err = migrateDB(fromDB, toDB)
 	if err != nil {