From a763e7caec652aee6127bd07d8e532f80253d568 Mon Sep 17 00:00:00 2001
From: Alexander Bezzubov <alexander.bezzubov@jetbrains.com>
Date: Tue, 27 Oct 2020 20:02:55 +0100
Subject: [PATCH 1/3] server: serve FS content of ./frontend/dist/* from
 /static path

Signed-off-by: Alexander Bezzubov <alexander.bezzubov@jetbrains.com>
---
 cmd/server/server.go | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/cmd/server/server.go b/cmd/server/server.go
index d454989..2878baf 100644
--- a/cmd/server/server.go
+++ b/cmd/server/server.go
@@ -12,7 +12,9 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"sort"
+	"strings"
 
 	"github.com/bzz/scholar-alert-digest/gmailutils"
 	"github.com/bzz/scholar-alert-digest/gmailutils/token"
@@ -104,6 +106,11 @@ func main() {
 	r.Get("/login", handleLogin)
 	r.Get("/login/authorized", handleAuth)
 
+	// static
+	workDir, _ := os.Getwd()
+	filesDir := http.Dir(filepath.Join(workDir, "frontend", "dist"))
+	FileServer(r, "/static", filesDir)
+
 	r.Route("/json", func(j chi.Router) {
 		j.Use(setContentType("application/json"))
 		if *dev {
@@ -281,6 +288,27 @@ func tokenAndLabelCookiesCtx(next http.Handler) http.Handler {
 	})
 }
 
+// FileServer conveniently sets up a http.FileServer handler to serve
+// static files from a http.FileSystem.
+func FileServer(r chi.Router, path string, root http.FileSystem) {
+	if strings.ContainsAny(path, "{}*") {
+		panic("FileServer does not permit any URL parameters.")
+	}
+
+	if path != "/" && path[len(path)-1] != '/' {
+		r.Get(path, http.RedirectHandler(path+"/", 301).ServeHTTP)
+		path += "/"
+	}
+	path += "*"
+
+	r.Get(path, func(w http.ResponseWriter, r *http.Request) {
+		rctx := chi.RouteContext(r.Context())
+		pathPrefix := strings.TrimSuffix(rctx.RoutePattern(), "/*")
+		fs := http.StripPrefix(pathPrefix, http.FileServer(root))
+		fs.ServeHTTP(w, r)
+	})
+}
+
 //// JSON
 
 func setContentType(contentType string) func(next http.Handler) http.Handler {

From 95d274cfc29c4f0185ce7b775d35876986245636 Mon Sep 17 00:00:00 2001
From: Alexander Bezzubov <alexander.bezzubov@jetbrains.com>
Date: Tue, 27 Oct 2020 21:24:38 +0100
Subject: [PATCH 2/3] server: disable /static in -dev mode

Signed-off-by: Alexander Bezzubov <alexander.bezzubov@jetbrains.com>
---
 cmd/server/server.go | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/cmd/server/server.go b/cmd/server/server.go
index 2878baf..8632c06 100644
--- a/cmd/server/server.go
+++ b/cmd/server/server.go
@@ -106,10 +106,11 @@ func main() {
 	r.Get("/login", handleLogin)
 	r.Get("/login/authorized", handleAuth)
 
-	// static
-	workDir, _ := os.Getwd()
-	filesDir := http.Dir(filepath.Join(workDir, "frontend", "dist"))
-	FileServer(r, "/static", filesDir)
+	if !*dev { // static
+		workDir, _ := os.Getwd()
+		filesDir := http.Dir(filepath.Join(workDir, "frontend", "dist"))
+		FileServer(r, "/static", filesDir)
+	}
 
 	r.Route("/json", func(j chi.Router) {
 		j.Use(setContentType("application/json"))

From 91131cef5b8ea58a802fa07ce1dcc0c462e3fddf Mon Sep 17 00:00:00 2001
From: Alexander Bezzubov <alexander.bezzubov@jetbrains.com>
Date: Mon, 9 Nov 2020 23:05:43 +0100
Subject: [PATCH 3/3] initial build automation for deployment

Signed-off-by: Alexander Bezzubov <alexander.bezzubov@jetbrains.com>
---
 README.md | 11 +++++++++++
 build.sh  | 15 +++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100755 build.sh

diff --git a/README.md b/README.md
index e677f59..7e67f70 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,7 @@ a Gmail label from the Google Scholar alerts, grouping papers by title and produ
     * [Configure](#configure-1)
     * [Test](#test)
     * [Run](#run-1)
+    * [Deploy](#deploy)
 * [License](#license)
 
 # How to use
@@ -146,6 +147,16 @@ to spin up a server at http://localhost:8080
 Start by visiting http://localhost:8080/login to get the user OAuth access token.
 Visit http://localhost:8080/labels to chose your label name.
 
+## Deploy
+To deploy, you need to build a backend and the frontend first:
+```sh
+./build.sh
+```
+
+At the moment, `server` will serve static resources from the `./ frontend/dist` from `/static`.
+
+Actual deployment \w k8s descriptor is TBD.
+
 # License
 
 Apache License, Version 2.0. See [LICENSE](LICENSE)
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..b3d2755
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+set -e
+
+echo "building Frontend"
+pushd frontend/
+npm i
+npm run build -- --env baseUrl=/json
+popd
+
+echo "building Backend"
+go build ./cmd/server
+
+echo "run ./server to start a server"
+echo "go to http://localhost:8080/static"