Cache better (#296)

* Many improvements around bandwidth use

- Use ETags for RSS/Atom feeds
- Use cache-control headers
- Update to rust nightly (for rust-analyzer and faster builds)
- Limit feeds to the last 20 posts:
  https://twitter.com/theprincessxena/status/1349891678857998339
- Use if-none-match to limit bandwidth further

Also does this:

- bump go_vanity to 0.3.0 and lets users customize the branch name
- fix formatting on jsonfeed
- remove last vestige of kubernetes/docker support

Signed-off-by: Christine Dodrill <me@christine.website>

* expire cache quicker for dynamic pages

Signed-off-by: Christine Dodrill <me@christine.website>

* add rss ttl

Signed-off-by: Christine Dodrill <me@christine.website>

* add blogpost

Signed-off-by: Christine Dodrill <me@christine.website>

1 files changed, 2 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index 48b0eee..f398181 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "xesite"
-version = "2.1.0"
+version = "2.2.0"
 authors = ["Christine Dodrill <me@christine.website>"]
 edition = "2018"
 build = "src/build.rs"
@@ -34,6 +34,7 @@ tracing-subscriber = { version = "0.2", features = ["fmt"] }
 warp = "0.2"
 xml-rs = "0.8"
 url = "2"
+uuid = { version = "0.8", features = ["serde", "v4"] }
 
 # workspace dependencies
 go_vanity = { path = "./lib/go_vanity" }