diff --git a/project.clj b/project.clj
index 3bc203b..fd522f4 100644
--- a/project.clj
+++ b/project.clj
@@ -35,7 +35,9 @@
                          [com.draines/postal   "1.11.4"]
                          [irclj                "0.5.0-alpha4"]
                          [org.graylog2/gelfclient "1.3.1"]
-                         [org.julienxx/clj-slack  "0.5.3"]]}
+                         [org.julienxx/clj-slack  "0.5.3"]
+                         [org.clojure/java.jdbc   "0.5.0"]
+                         [com.mchange/c3p0        "0.9.5.2"]]}
    :dev
    [:1.7 :test
     {:dependencies [[org.clojure/clojurescript "1.7.28"]]
diff --git a/src/taoensso/timbre/appenders/3rd_party/postgresdb.clj b/src/taoensso/timbre/appenders/3rd_party/postgresdb.clj
index 3dcde87..1d60488 100644
--- a/src/taoensso/timbre/appenders/3rd_party/postgresdb.clj
+++ b/src/taoensso/timbre/appenders/3rd_party/postgresdb.clj
@@ -1,47 +1,53 @@
 (ns taoensso.timbre.appenders.3rd-party.postgresdb
-  "postgresql database appender"
-  (:require [clojure.java.jdbc  :as j]
-            [environ.core       :refer [env]]
-            [taoensso.timbre    :as timbre]
-            [taoensso.encore    :as encore])
-  (:import com.mchange.v2.c3p0.ComboPooledDataSource))
-
-(def default-args {:type "postgresql" :host "127.0.0.1" :port 5432})
+  "PostgreSQL database appender.
+  Requires https://github.com/clojure/java.jdbc,
+           https://github.com/swaldman/c3p0"
+  {:author "Yue Liu (@yuliu-mdsol)"}
+  (:require
+   [taoensso.timbre   :as timbre]
+   [taoensso.encore   :as enc]
+   [clojure.java.jdbc :as jdbc]))
 
 (defn pool [spec]
-  (let [cpds (doto (ComboPooledDataSource.)
-              (.setJdbcUrl (str "jdbc:" (:type spec) "://" (:host spec) ":" (:port spec) "/" (:database spec)))
-              (.setUser (:username spec))
-              (.setPassword (:password spec))
-              ;; expire excess connections after 30 minutes of inactivity:
-              (.setMaxIdleTimeExcessConnections (* 30 60))
-              ;; expire connections after 3 hours of inactivity:
-              (.setMaxIdleTime (* 3 60 60)))]
+  (let [cpds
+        (doto (com.mchange.v2.c3p0.ComboPooledDataSource.)
+          (.setJdbcUrl (str "jdbc:" (:type spec) "://" (:host spec) ":" (:port spec) "/" (:database spec)))
+          (.setUser (:username spec))
+          (.setPassword (:password spec))
+          ;; expire excess connections after 30 minutes of inactivity:
+          (.setMaxIdleTimeExcessConnections (* 30 60))
+          ;; expire connections after 3 hours of inactivity:
+          (.setMaxIdleTime (* 3 60 60)))]
     {:datasource cpds}))
 
-(defn connect [{:keys [server]}]
-  (let [args (merge default-args server)]
-     @(delay (pool args))))
+(def default-pool-spec {:type "postgresql" :host "127.0.0.1" :port 5432})
+(defn connect [config]
+  (let [spec (merge default-pool-spec (:server config))]
+    (pool spec)))
 
 (def conn (atom nil))
 (defn ensure-conn [config] (swap! conn #(or % (connect config))))
 
-(defn log-message [data config]
-  (let [entry {:instant   (java.sql.Timestamp. (.getTime (:instant data)))
-               :level     (str  (:level         data))
-               :namespace (str  (:?ns-str       data))
-               :hostname  (str @(:hostname_     data))
-               :content   (str @(:vargs_        data))
-               :error     (str @(:?err_         data))}]
-    (ensure-conn config)
-    (j/insert! @conn :logs entry)))
+(defn log-message [config data]
+  (let [entry
+        {:instant   (java.sql.Timestamp. (.getTime ^java.util.Date (:instant data)))
+         :level     (str  (:level     data))
+         :namespace (str  (:?ns-str   data))
+         :hostname  (str @(:hostname_ data))
+         :content   (str @(:vargs_    data))
+         :error     (str @(:?err_     data))}]
 
-(defn pglog-appender
-  "Returns a postgresqlDB appender.
+    (ensure-conn config)
+    (jdbc/insert! @conn :logs entry)))
+
+(defn pgsql-appender
+  "Returns a PostgreSQL appender for `clojure.java.jdbc`.
   (pglog-appender {:server {:host \"127.0.0.1\" :port 5432}})
 
-  For log table creation and rollback, here are sql ddl script to use:
+  SQL ddl script for table creation and rollback
+  ----------------------------------------------
 
+  ```
   CREATE TABLE IF NOT EXISTS logs (
       log_id bigserial primary key,
       instant timestamp NOT NULL,
@@ -53,21 +59,20 @@
   );
 
   DROP TABLE IF EXISTS logs;
+  ```
 
-  To automate database migration, you can use migratus for Leiningen,
-  or use ragtime for Boot.
+  To automate database migration
+  ------------------------------
 
-  Leiningen migratus (in profiles.clj)
-  ------------------------------------
-  :database-url \"postgresql://<db_username>:<db_password>@<db_servername>:<db_port>/<db_schema>\"
+  * Using Migratus + Leiningen (in profiles.clj):
+    :database-url \"postgresql://<db_username>:<db_password>@<db_servername>:<db_port>/<db_schema>\"
 
-  Boot ragtime (in build.boot)
-  ----------------------------
-  ragtime {:driver-class \"org.postgresql.Driver\"
-           :database (str \"jdbc:postgresql://<dbserver_name>:<db_port>/\"
-                        \"<db_schema>\"
-                        \"?user=<db_usernmae>\"
-                        \"&password=<db_password>\")})"
+  * Using Boot + Ragtime (in build.boot):
+    ragtime {:driver-class \"org.postgresql.Driver\"
+             :database (str \"jdbc:postgresql://<dbserver_name>:<db_port>/\"
+                            \"<db_schema>\"
+                            \"?user=<db_usernmae>\"
+                            \"&password=<db_password>\")})"
 
   [db-config]
   {:enabled?   true
@@ -75,4 +80,4 @@
    :min-level  nil
    :rate-limit nil
    :output-fn  :inherit
-   :fn (fn [data] (log-message data db-config))})
\ No newline at end of file
+   :fn (fn [data] (log-message db-config data))})
diff --git a/src/taoensso/timbre/appenders/example.clj b/src/taoensso/timbre/appenders/example.clj
index e1b02e2..139e3f4 100644
--- a/src/taoensso/timbre/appenders/example.clj
+++ b/src/taoensso/timbre/appenders/example.clj
@@ -2,12 +2,14 @@
   "You can copy this namespace if you'd like a starting template for
   writing your own Timbre appender. PRs for new appenders welcome!
 
+  TODO Please document any dependency GitHub links here
+
   - Peter Taoussanis"
-  {:author "Your Name (@your-github-username)"}
+  {:author "TODO Your Name (@your-github-username)"}
   (:require
    [taoensso.timbre :as timbre]))
 
-;; If you add any special ns imports above, please remember to update
+;; TODO If you add any special ns imports above, please remember to update
 ;; Timbre's `project.clj` to include the necessary dependencies under
 ;; the `:test` profile