first pass at a konflux dockerfile

konflux.Dockerfile

@@ -0,0 +1,52 @@
+# =============================================================================
+# Stage 1: Build frontend
+# =============================================================================
+FROM registry.access.redhat.com/ubi9/nodejs-24:latest AS frontend-builder
+
+USER 0
+WORKDIR /app
+
+RUN npm install -g pnpm@10.29.2
+
+COPY frontend/package.json frontend/pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+COPY frontend/ ./
+RUN pnpm run build
+
+# =============================================================================
+# Stage 2: Build Go backend
+# =============================================================================
+FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_9_golang_1.25 AS builder
+
+COPY . .
+WORKDIR $APP_ROOT/app/
+COPY go.mod go.mod
+COPY go.sum go.sum
+RUN go mod download
+COPY . .
+COPY --from=frontend-builder /app/dist ./frontend/dist
+
+ENV BUILDTAGS strictfipsruntime
+ENV GOEXPERIMENT strictfipsruntime
+RUN CGO_ENABLED=1 GOOS=linux go build -tags "$BUILDTAGS" -mod=mod -a -o filebrowser .
+
+# =============================================================================
+# Stage 3: Runtime image
+# =============================================================================
+FROM registry.redhat.io/ubi9/ubi:latest
+
+COPY --from=builder $APP_ROOT/app/filebrowser /filebrowser
+
+USER 65532:65532
+
+EXPOSE 8080
+
+ENTRYPOINT ["/filebrowser"]
+CMD []
+
+LABEL description="OADP VM file restore file browser"
+LABEL io.k8s.description=" OADP VM file restore file browser"
+LABEL io.k8s.display-name="OADP File Browser"
+LABEL io.openshift.tags="filebrowser,filemanager,web"
+LABEL summary="OADP File Browser"