docs: add an example of multi-line environment variable for SSL conne…

…ctions

docs/content/Configuration/Connecting-to-the-Database.md

@@ -88,17 +88,42 @@ CUBEJS_EXT_DB_TYPE=<SUPPORTED_DB_TYPE_HERE>
 
 ## Enabling SSL
 
-Cube.js supports SSL-encrypted connections for **Postgres**, **MongoDB**, **MS SQL**, and
-**MySQL**. To enable it set the `CUBEJS_DB_SSL` environment variable to `true`.
-Cube.js can also be configured to use custom connection settings. For example,
-to use a custom CA and certificates, you could do the following:
+Cube.js supports SSL-encrypted connections for **Postgres**, **MongoDB**, **MS
+SQL**, and **MySQL**. To enable it set the `CUBEJS_DB_SSL` environment variable
+to `true`. Cube.js can also be configured to use custom connection settings. For
+example, to use a custom CA and certificates, you could do the following:
 
 ```dotenv
 CUBEJS_DB_SSL_CA=/ssl/ca.pem
 CUBEJS_DB_SSL_CERT=/ssl/cert.pem
 CUBEJS_DB_SSL_KEY=/ssl/key.pem
 ```
 
+You can also set the above environment variables to the contents of the PEM
+files; for example:
+
+```dotenv
+CUBEJS_DB_SSL_CA="-----BEGIN CERTIFICATE-----
+MIIDDjCCAfYCCQCN/HhSZ3ofTDANBgkqhkiG9w0BAQsFADBJMQswCQYDVQQGEwJV
+SzEMMAoGA1UECgwDSUJNMQ0wCwYDVQQLDARBSU9TMR0wGwYDVQQDDBRhaW9zLW9y
+Y2gtZGV2LWVudi1DQTAeFw0yMTAyMTUyMzIyMTZaFw0yMzEyMDYyMzIyMTZaMEkx
+CzAJBgNVBAYTAlVLMQwwCgYDVQQKDANJQk0xDTALBgNVBAsMBEFJT1MxHTAbBgNV
+BAMMFGFpb3Mtb3JjaC1kZXYtZW52LUNBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8A
+MIIBCgKCAQEAyhYY9+4TduTsNRh/6MaRtE59j8HkAkoQYvNYZN7D1j1oV6yhzitn
+oN4bD+HiQWe4J3mwAaJOAAJRCkIVyUXxwZUCPxGN/KVha/pcB8hN6LHfI6vInixp
+U9kHNYWWBn428nMeMqts7yqly/HwG1/qO+j4178c8lZNS7Uwh76y+lAEaIkeBipq
+i4WuCOiChFc/sIV7g4DcLKKbqzDWtRDjbsg7JRfsALO5gM360GrNYkhV4C5lm8Eh
+ozNuaPhS65zO93PMj/3UTyuctXKa7WpaHJHoKZRXAuOwSamvqvFgIQ0SSnW+qcud
+fL3GAPJn7d065gh7JvgcT86v7WWBiUNs0QIDAQABMA0GCSqGSIb3DQEBCwUAA4IB
+AQCzw00d8e0e5AYZtzIk9hjczta7JHy2/cwTMv0opzBk6C26G6YZww+9brHW2w5U
+mY/HKBnGnMadjMWOZmm9Vu0B0kalYY0lJdE8alO1aiv5B9Ms/XIt7FzzGtfv9gYJ
+cw5/nzGBBMJNICC1kVLnzzlllLferhCIrczDyPcu16o1Flc7q1p8AbwQpC+A2I/L
+8nWlFeHZ+watLtQ1lF3qDzzCumPHrJqAGmlp0265owCM8Q5zv8AL5DStIZvtexrI
+JqbwLdbA8smyOFRwCckOWcWjnrEDjO2e3NLWINbB7Z4ZRviZSEH5UZlDLVu+ahGV
+KmZIuh7+XpXzJ1MN0SBZXgXH
+-----END CERTIFICATE-----"
+```
+
 For a complete list of SSL-related environment variables, consult the [Database
 Connections section of the Environment Variables Reference][link-env-var-ref].