Update readme

readme.adoc

@@ -1,6 +1,12 @@
-== xtdb-tarantool
+image:https://img.shields.io/github/license/sultanov-team/xtdb-tarantool[license,link=license]
+image:https://codecov.io/gh/sultanov-team/xtdb-tarantool/branch/master/graph/badge.svg?token=3VpsOfOpH5)[codecov,link=https://codecov.io/gh/sultanov-team/xtdb-tarantool]
+image:https://github.com/sultanov-team/xtdb-tarantool/workflows/build/badge.svg[build]
 
-XTDB module allows you to use Tarantool (in-memory computing platform).
+image:https://img.shields.io/clojars/v/team.sultanov/xtdb-tarantool.svg[clojars,link=https://clojars.org/team.sultanov/xtdb-tarantool]
+
+== XTDB Tarantool
+
+https://www.xtdb.com[XTDB] module allows you to use https://www.tarantool.io/[Tarantool] (in-memory computing platform).
 
 **Status: ** Alpha.
 The design and prototyping stage.
@@ -12,17 +18,198 @@ Add the following dependency in your project:
 [source,clojure]
 ----
 ;; project.clj or build.boot
-[team.sultanov/xtdb-tarantool "RELEASE"]
+[team.sultanov/xtdb-tarantool "0.1.56-SNAPSHOT"]
 
 ;; deps.edn
-team.sultanov/xtdb-tarantool {:mvn/version "RELEASE"}
+team.sultanov/xtdb-tarantool {:mvn/version "0.1.56-SNAPSHOT"}
+----
+
+=== Usage
+
+*Requirements*
+
+First you need to configure the Tarantool:
+
+- link:docker-compose.yaml[Docker compose]
+- link:src/main/tarantool/xtdb.lua[Tarantool configuration]
+
+[source,clojure]
+----
+;; src/develop/clojure/xtdb/tarantool/example.clj
+
+(ns xtdb.tarantool.example
+  (:require
+    [clojure.tools.namespace.repl :as tools.repl]
+    [integrant.core :as ig]
+    [integrant.repl :as ig.repl]
+    [integrant.repl.state :as ig.repl.state]
+    [xtdb.api :as xt]
+    [xtdb.tarantool :as tnt])
+  (:import
+    (java.io
+      Closeable)
+    (java.time
+      Duration)))
+
+
+(tools.repl/set-refresh-dirs "src/dev/clojure")
+
+
+(defn config
+  []
+  {::xtdb-tnt {::tnt-client             {:xtdb/module 'xtdb.tarantool/->tnt-client
+                                         :username    "root"
+                                         :password    "root"}
+               :xtdb/tx-log             {:xtdb/module        'xtdb.tarantool/->tx-log
+                                         :tnt-client         ::tnt-client
+                                         :poll-wait-duration (Duration/ofSeconds 5)}
+               :xtdb.http-server/server {:read-only?   true
+                                         :server-label "[xtdb-tarantool] Console Demo"}}})
+
+
+(defn prep
+  []
+  (ig.repl/set-prep! config))
+
+
+(defn go
+  []
+  (prep)
+  (ig.repl/go))
+
+
+(def halt ig.repl/halt)
+(def reset-all ig.repl/reset-all)
+
+
+(defn system
+  []
+  ig.repl.state/system)
+
+
+(defmethod ig/init-key ::xtdb-tnt [_ config]
+  (xt/start-node config))
+
+
+(defmethod ig/halt-key! ::xtdb-tnt [_ ^Closeable node]
+  (tnt/close node))
+
+
+(comment
+
+  (reset-all)
+  (halt)
+  (go)
+  ;; open http://localhost:3000/
+
+
+  (def node
+    (::xtdb-tnt (system)))
+
+
+  (xt/submit-tx node [[::xt/put {:xt/id "xtdb-tarantool", :user/email "[email protected]"}]])
+  ;; => #:xtdb.api{:tx-id 1, :tx-time #inst"2021-12-04T01:27:15.641-00:00"}
+
+
+  (xt/q (xt/db node) '{:find  [e]
+                       :where [[e :user/email "[email protected]"]]})
+  ;; => #{["xtdb-tarantool"]}
+
+
+  (xt/q (xt/db node)
+        '{:find  [(pull ?e [*])]
+          :where [[?e :xt/id "xtdb-tarantool"]]})
+  ;; => #{[{:user/email "[email protected]", :xt/id "xtdb-tarantool"}]}
+
+
+  (def history (xt/entity-history (xt/db node) "xtdb-tarantool" :desc {:with-docs? true}))
+  ;; => [#:xtdb.api{:tx-time #inst"2021-12-04T01:31:14.080-00:00",
+  ;;               :tx-id 2,
+  ;;               :valid-time #inst"2021-12-04T01:31:14.080-00:00",
+  ;;               :content-hash #xtdb/id"d0eb040d39fbdaa8699d867bc9fb9aa244b8e154",
+  ;;               :doc {:user/email "[email protected]", :xt/id "xtdb-tarantool"}}]
+
+
+  (->> (map ::xt/doc history)
+       (filterv (comp (partial = "[email protected]") :user/email)))
+  ;; => [{:user/email "[email protected]", :xt/id "xtdb-tarantool"}]
+  )
 ----
 
 === Roadmap
 
-- [ ] Add tx-log
+- [x] Add tx-log
 - [ ] Add kv-store
 - [ ] Add document-store
+- [ ] Add logging
+- [ ] Improve tests
+- [ ] Add automatic tarantool configuration (in-memory / vinyl)
+- [ ] Add an example of using a tarantool cartridge
+- [ ] Add an example of using a tarantool kubernetes operator (single node / cluster / with sharding)
+- [ ] Add rockspec and publish tarantool configuration to https://luarocks.org[luarocks]?
+
+=== Workflow
+
+==== Development
+
+[source,bash]
+----
+# run tarantool
+$ bb up
+
+# stop tarantool
+$ bb down
+
+# run repl
+$ bb repl
+
+# check for outdated dependencies 
+$ bb outdated
+
+# upgrade outdated dependencies
+$ bb outdated:upgrade
+----
+
+==== Testing
+
+[source,bash]
+----
+# run linters
+$ bb lint 
+
+# run linters and fix issues
+$ bb lint:fix
+
+# run only unit tests
+$ bb test:unit
+
+# run only integration tests (requires a running tarantool)
+$ bb test:integration
+
+# run all tests
+$ bb test
+----
+
+==== Build & deploy
+
+[source,bash]
+----
+# build jar
+$ bb jar
+
+# install locally
+$ bb install
+
+# deploy to clojars
+$ bb deploy
+----
+
+==== Other tasks
+
+[source,bash]
+----
+$ bb tasks
+----
 
 === License