Enable http2 support (#2)

.github/workflows/e2e_test.yml

@@ -52,3 +52,15 @@ jobs:
           if [ "$output" != "200" ]; then
             exit 42
           fi
+      - name: Make sure that http2 is supported
+        working-directory: ./test
+        run: |
+          output=$(curl -s -o /dev/null -w "%{http_version}" --cacert fullchain.pem https://localhost)
+          ret="$?"
+          echo "$output"
+          if [ "$ret" -ne 0 ]; then
+            exit "$ret"
+          fi
+          if [ "$output" != "2" ]; then
+            exit 42
+          fi

.gitignore

@@ -1 +1,2 @@
 config.json
+test/*.pem

bootstrap.sh

@@ -124,8 +124,8 @@ bootstrap_fn() {
     cat << EOF >> "$data_dir/nginx_generated.conf"
     server {
       server_name $server_name;
-      listen 443 ssl;
-      listen [::]:443 ssl;
+      listen 443 ssl http2;
+      listen [::]:443 ssl http2;
       http2 on;
       ssl_certificate $cert_dir/$domain/fullchain.pem;
       ssl_certificate_key $cert_dir/$domain/key.pem;