Better test SSL certificate

docker/ssl/openssl.conf

+# cf https://stackoverflow.com/questions/10175812/how-to-create-a-self-signed-certificate-with-openssl/27931596#27931596
+# create with openssl req -config openssl.conf -new -x509 -sha256 -newkey rsa:2048 -nodes -keyout test.key -days 365 -out test.crt
+
+[ req ]
+default_bits        = 2048
+default_keyfile     = server-key.pem
+distinguished_name  = subject
+req_extensions      = req_ext
+x509_extensions     = x509_ext
+string_mask         = utf8only
+
+# The Subject DN can be formed using X501 or RFC 4514 (see RFC 4519 for a description).
+#   Its sort of a mashup. For example, RFC 4514 does not provide emailAddress.
+[ subject ]
+countryName         = Country Name (2 letter code)
+countryName_default     = US
+
+stateOrProvinceName     = State or Province Name (full name)
+stateOrProvinceName_default = NY
+
+localityName            = Locality Name (eg, city)
+localityName_default        = New York
+
+organizationName         = Organization Name (eg, company)
+organizationName_default    = Example, LLC
+
+# Use a friendly name here because it's presented to the user. The server's DNS
+#   names are placed in Subject Alternate Names. Plus, DNS names here is deprecated
+#   by both IETF and CA/Browser Forums. If you place a DNS name here, then you
+#   must include the DNS name in the SAN too (otherwise, Chrome and others that
+#   strictly follow the CA/Browser Baseline Requirements will fail).
+commonName          = Common Name (e.g. server FQDN or YOUR name)
+commonName_default      = Example Company
+
+emailAddress            = Email Address
+emailAddress_default        = test@example.com
+
+# Section x509_ext is used when generating a self-signed certificate. I.e., openssl req -x509 ...
+[ x509_ext ]
+
+subjectKeyIdentifier        = hash
+authorityKeyIdentifier    = keyid,issuer
+
+# You only need digitalSignature below. *If* you don't allow
+#   RSA Key transport (i.e., you use ephemeral cipher suites), then
+#   omit keyEncipherment because that's key transport.
+basicConstraints        = CA:FALSE
+keyUsage            = digitalSignature, keyEncipherment
+subjectAltName          = @alternate_names
+nsComment           = "OpenSSL Generated Certificate"
+
+# RFC 5280, Section 4.2.1.12 makes EKU optional
+#   CA/Browser Baseline Requirements, Appendix (B)(3)(G) makes me confused
+#   In either case, you probably only need serverAuth.
+# extendedKeyUsage    = serverAuth, clientAuth
+
+# Section req_ext is used when generating a certificate signing request. I.e., openssl req ...
+[ req_ext ]
+
+subjectKeyIdentifier        = hash
+
+basicConstraints        = CA:FALSE
+keyUsage            = digitalSignature, keyEncipherment
+subjectAltName          = @alternate_names
+nsComment           = "OpenSSL Generated Certificate"
+
+# RFC 5280, Section 4.2.1.12 makes EKU optional
+#   CA/Browser Baseline Requirements, Appendix (B)(3)(G) makes me confused
+#   In either case, you probably only need serverAuth.
+# extendedKeyUsage    = serverAuth, clientAuth
+
+[ alternate_names ]
+
+DNS.1       = funkwhale.test
+DNS.2       = node1.funkwhale.test
+DNS.3       = node2.funkwhale.test
+DNS.4       = node3.funkwhale.test
+DNS.5       = localhost
+DNS.6       = 127.0.0.1
+
+# Add these if you need them. But usually you don't want them or
+#   need them in production. You may need them for development.
+# DNS.5       = localhost
+# DNS.6       = localhost.localdomain
+# DNS.7       = 127.0.0.1
+
+# IPv6 localhost
+# DNS.8     = ::1

docker/ssl/test.crt

 -----BEGIN CERTIFICATE-----
-MIIDljCCAn6gAwIBAgIJAOA/w9NwL3aMMA0GCSqGSIb3DQEBCwUAMGAxCzAJBgNV
-BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
-aWRnaXRzIFB0eSBMdGQxGTAXBgNVBAMMECouZnVua3doYWxlLnRlc3QwHhcNMTgw
-NDA4MTMwNDAzWhcNMjgwNDA1MTMwNDAzWjBgMQswCQYDVQQGEwJBVTETMBEGA1UE
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+ZxMkNLp6IaHhNEIeyA==
 -----END CERTIFICATE-----

docker/ssl/test.key

 -----BEGIN PRIVATE KEY-----
-MIIEwAIBADANBgkqhkiG9w0BAQEFAASCBKowggSmAgEAAoIBAQDIapEsQwWzWalH
-Bq5OJwhGPbPAFR7okw1Fsi85SRqPYpjpq8Du2I22L/KAGhPImXYkreaYurESWp52
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 -----END PRIVATE KEY-----