diff --git a/dev/helm/README.md b/dev/helm/README.md
index c1b73e22..3772fa71 100644
--- a/dev/helm/README.md
+++ b/dev/helm/README.md
@@ -129,6 +129,7 @@ The following table lists the configurable parameters of the Wiki.js chart and t
 | `postgresql.postgresqlPort`            | External postgres port                      | `5432`                                                     |
 | `postgresql.ssl`                       | Enable external postgres SSL connection     | `false`                                                   |
 | `postgresql.ca`                        | Certificate of Authority content for postgres  | `nil`                                                     |
+| `postgresql.rejectUnauthorized`                 | Reject self-signed CA certificate     | `true`                                                   |
 | `postgresql.persistence.enabled`                | Enable postgres persistence using PVC                | `true`                                                     |
 | `postgresql.persistence.existingClaim`          | Provide an existing `PersistentVolumeClaim` for postgres | `nil`                                                      |
 | `postgresql.persistence.storageClass`           | Postgres PVC Storage Class (example: `nfs`)                           | `nil`                 |
diff --git a/dev/helm/templates/deployment.yaml b/dev/helm/templates/deployment.yaml
index e4d1d197..5d5c6e27 100644
--- a/dev/helm/templates/deployment.yaml
+++ b/dev/helm/templates/deployment.yaml
@@ -69,6 +69,8 @@ spec:
               value: "{{ default "false" .Values.postgresql.ssl }}"
             - name: DB_SSL_CA
               value: "{{ default "" .Values.postgresql.ca }}"
+            - name: DB_SSL_REJECTUNAUTHORIZED
+              value: "{{ hasKey .Values.postgresql "rejectUnauthorized" | ternary .Values.postgresql.rejectUnauthorized true }}"
             - name: DB_PASS
               valueFrom:
                 secretKeyRef:
diff --git a/dev/helm/values.yaml b/dev/helm/values.yaml
index db5496c0..37254680 100644
--- a/dev/helm/values.yaml
+++ b/dev/helm/values.yaml
@@ -169,9 +169,15 @@ postgresql:
   ##
   # ssl: false
   ## ca Certificate of Authority
-  ## Default to empty, point to location of CA
+  ## this can either be a single line string (without spaces or new lines)
+  ## without the prefix and suffix lines, or a path to a certificate file.
+  ## Default to empty
   ##
-  # ca: "path to ca"
+  # ca: "single line or path to ca"
+  ## rejectUnauthorized reject self-signed certificates
+  ## Default to true
+  ##
+  # rejectUnauthorized: true
   ## postgresqlHost override postgres database host
   ## Default to postgres
   ##
diff --git a/server/core/db.js b/server/core/db.js
index b729282a..65785686 100644
--- a/server/core/db.js
+++ b/server/core/db.js
@@ -39,7 +39,12 @@ module.exports = {
 
     // Handle SSL Options
 
-    let dbUseSSL = (WIKI.config.db.ssl === true || WIKI.config.db.ssl === 'true' || WIKI.config.db.ssl === 1 || WIKI.config.db.ssl === '1')
+    let isTruthy = function(value) {
+      return (value === true || value === 'true' || value === 1 || value === '1')
+    }
+
+    let dbUseSSL = isTruthy(WIKI.config.db.ssl)
+    let rejectUnauthorized = !_.isEmpty(process.env.DB_SSL_REJECTUNAUTHORIZED) ? isTruthy(process.env.DB_SSL_REJECTUNAUTHORIZED) : true;
     let sslOptions = null
     if (dbUseSSL && _.isPlainObject(dbConfig) && _.get(WIKI.config.db, 'sslOptions.auto', null) === false) {
       sslOptions = WIKI.config.db.sslOptions
@@ -60,18 +65,22 @@ module.exports = {
       sslOptions = true
     }
 
-    // Handle inline SSL CA Certificate mode
+    // Handle self-signed CA file or concatenated string
+    // https://node-postgres.com/features/ssl
     if (!_.isEmpty(process.env.DB_SSL_CA)) {
-      const chunks = []
-      for (let i = 0, charsLength = process.env.DB_SSL_CA.length; i < charsLength; i += 64) {
-        chunks.push(process.env.DB_SSL_CA.substring(i, i + 64))
+      try {
+        ca = fs.readFileSync(process.env.DB_SSL_CA).toString()
+      } catch(_) {
+        const chunks = []
+        for (let i = 0, charsLength = process.env.DB_SSL_CA.length; i < charsLength; i += 64) {
+          chunks.push(process.env.DB_SSL_CA.substring(i, i + 64))
+        }
+
+        ca = '-----BEGIN CERTIFICATE-----\n' + chunks.join('\n') + '\n-----END CERTIFICATE-----\n'
       }
 
       dbUseSSL = true
-      sslOptions = {
-        rejectUnauthorized: true,
-        ca: '-----BEGIN CERTIFICATE-----\n' + chunks.join('\n') + '\n-----END CERTIFICATE-----\n'
-      }
+      sslOptions = { rejectUnauthorized, ca }
     }
 
     // Engine-specific config
@@ -80,7 +89,7 @@ module.exports = {
         dbClient = 'pg'
 
         if (dbUseSSL && _.isPlainObject(dbConfig)) {
-          dbConfig.ssl = (sslOptions === true) ? { rejectUnauthorized: true } : sslOptions
+          dbConfig.ssl = (sslOptions === true) ? { rejectUnauthorized } : sslOptions
         }
         break
       case 'mariadb':