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server: listen on socket provided by system(f)d, if available

Alan Pearce
commit

a1ddbf3fa6d1814ebca238d0c4ed54617253689f

parent

66b66e6118dd43ccbd1e85e33d44a02de7a2b812

3 files changed, 12 insertions(+), 2 deletions(-)

changed files
M flake.nixflake.nix
@@ -46,6 +46,7 @@ go-tools
gomod2nix.packages.${system}.default gci hyperlink + systemfd modd nodePackages.vercel netlify-cli
M internal/server/server.gointernal/server/server.go
@@ -6,6 +6,7 @@ "fmt"
"net" "net/http" "net/url" + "os" "slices" "time"
@@ -145,7 +146,15 @@ }, nil
} func (s *Server) Start() error { - if err := s.ListenAndServe(); err != http.ErrServerClosed { + f := os.NewFile(uintptr(3), "") + l, err := net.FileListener(f) + if err != nil { + l, err = net.Listen("tcp", s.Addr) + if err != nil { + return errors.Wrap(err, "could not create listener") + } + } + if err := http.Serve(l, s.Handler); err != http.ErrServerClosed { return errors.Wrap(err, "error creating/closing server") }
M justfilejustfile
@@ -39,7 +39,7 @@
watch-server: (watch-flake "watchexec -r -i content -i templates go run ./cmd/server") dev: - modd + systemfd -s http::3000 modd docker-stream system=(arch() + "-linux"): @nix build --print-out-paths .#docker-stream-{{ system }} | sh