diff --git a/.gitignore b/.gitignore
index f3103f8..283a8cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@ smeagol.log*
 .calva/
 .idea/
 .lsp/
+.clj-kondo/
 
 resources/public/content/uploads/
 
diff --git a/project.clj b/project.clj
index 5a64491..1c61b1f 100644
--- a/project.clj
+++ b/project.clj
@@ -3,7 +3,7 @@
   :url "https://github.com/simon-brooke/smeagol"
   :license {:name "GNU General Public License,version 2.0 or (at your option) any later version"
             :url "https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html"}
-  :dependencies [[clj-jgit "1.0.0"]
+  :dependencies [[clj-jgit "0.8.10"]
                  [clj-yaml "0.4.0"]
                  [clojure.java-time "0.3.2"]
                  [com.cemerick/url "0.1.1"]
@@ -55,7 +55,7 @@
             [lein-ring "0.12.5" :exclusions [org.clojure/clojure]]]
 
   :npm {:dependencies [[simplemde "1.11.2"]
-                       [vega "5.8.0"]
+                       [vega "5.9.0"]
                        [vega-embed "6.2.2"]
                        [vega-lite "4.1.1"]
                        [mermaid "8.4.6"]
diff --git a/src/smeagol/configuration.clj b/src/smeagol/configuration.clj
index 3f20048..ec85b1b 100644
--- a/src/smeagol/configuration.clj
+++ b/src/smeagol/configuration.clj
@@ -47,6 +47,7 @@
 (defn- from-env-vars
   "Read a map from those of these environment `vars` which have values"
   [vars]
+  (log/info (str "env is: " (keys env)))
   (reduce
    #(let [v (env %2)]
       (if v
@@ -57,42 +58,6 @@
    vars))
 
 
-;;; TODO: OK, why this doesn't work. We need a namespace (and, indeed, ideally
-;;;  in a library) which returns the name/value pairs of the InitialContext as 
-;;;  a map. We need this because, if the config file itself is to be specified
-;;;  in this way, we need to be able to access this map BEFORE we do build-config.
-(defn- from-initial-context
-  "Config `vars` are read from the initial context, which (at least under Tomcat) 
-   are specific to the individual web app. Nevertheless the same names will 
-   be used as for environment variables, because it just makes life easier."
-  [vars]
-  (log/info "Seeking config in initial context")
-  (log/debug (str "Bound names are: " (map #(.toString %) (.list (new javax.naming.InitialContext) "java:comp/env/"))))
-  (try
-    (reduce
-     #(try
-        (log/debug "Seeking value for " %2 " in initial context")
-        (let [v (javax.naming.InitialContext/doLookup %2)]
-          (if v
-            (do
-              (log/info (str "Read value of " %2 " from initial context as " v))
-              (assoc %1 %2 v))
-            %1))
-        (catch Exception e
-          (log/debug (str "Error while seeking value for " %2 " in initial context: " (type e) "; " (.getMessage e)))
-          %1))
-     {}
-     (map #(str 
-            "java:comp/env/" 
-            (s/replace (name %) #"-" "_")) vars))
-    (catch javax.naming.NoInitialContextException _
-      ;; ignore: this only means we're not in a servlet context, 
-      ;; e.g unit tests. 
-      )
-    (catch Exception other
-      (log/warn (str "Error while seeking values in initial context: " (type other) "; " (.getMessage other))))))
-
-
 (defn to-keyword
   "Convert this argument into an idiomatic clojure keyword."
   [arg]