Update certificate generation command

.gitlab-ci.yml

@@ -1,21 +0,0 @@
-image: golang:latest
-
-stages:
-  - validate
-  - build
-
-fmt:
-  stage: validate
-  script:
-    - gofmt -l -s -e .
-    - exit $(gofmt -l -s -e . | wc -l)
-
-vet:
-  stage: validate
-  script:
-    - go vet -composites=false ./...
-
-test:
-  stage: validate
-  script:
-    - go test -race -v ./...

CONFIGURATION.md

@@ -46,18 +46,35 @@ enable an attribute by default and then disable it for individual paths.
 
 A certificate and private key must be specified.
 
-#### localhost certificate
+#### Self-signed domain certificate (recommended)
 
-Use `openssl` generate a certificate for localhost.
+Use `openssl` generate a certificate for a domain.
+
+Replace `rocketnine.space` and `twins.rocketnine.space` with your domain and subdomain.
 
 ```bash
 openssl req -x509 -out localhost.crt -keyout localhost.key \
   -newkey rsa:2048 -nodes -sha256 \
+  -days 36500 \
+  -subj '/CN=localhost' -extensions EXT -config <( \
+   printf "[dn]\nCN=rocketnine.space\n[req]\ndistinguished_name = dn\n[EXT]\nsubjectAltName=DNS:rocketnine.space,DNS:twins.rocketnine.space\nkeyUsage=digitalSignature\nextendedKeyUsage=serverAuth")
+```
+
+#### Self-signed localhost certificate
+
+Use `openssl` generate a certificate for localhost.
+
+Some Gemini clients will not accept such a certificate when accessing a server via domain or subdomain.
+
+```bash
+openssl req -x509 -out localhost.crt -keyout localhost.key \
+  -newkey rsa:2048 -nodes -sha256 \
+  -days 36500 \
   -subj '/CN=localhost' -extensions EXT -config <( \
    printf "[dn]\nCN=localhost\n[req]\ndistinguished_name = dn\n[EXT]\nsubjectAltName=DNS:localhost\nkeyUsage=digitalSignature\nextendedKeyUsage=serverAuth")
 ```
 
-#### Domain certificate
+#### Signed certificate from Let's Encrypt
 
 Use [certbot](https://certbot.eff.org) to get a certificate from [Let's Encrypt](https://letsencrypt.org) for a domain.
 

go.mod

@@ -7,6 +7,6 @@ require (
 	github.com/h2non/filetype v1.1.1
 	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51
 	github.com/yookoala/gofast v0.6.0
-	golang.org/x/tools v0.1.0 // indirect
+	golang.org/x/tools v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
 )

go.sum

@@ -14,31 +14,35 @@ github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9
 github.com/yookoala/gofast v0.6.0 h1:E5x2acfUD7GkzCf8bmIMwnV10VxDy5tUCHc5LGhluwc=
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 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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