feat: serve a very basic html template

author: Alan Pearce 2024-05-02 23:18:19 +0200
committer: Alan Pearce 2024-05-02 23:20:30 +0200
commit: 73603079e29bc89c54296a9e12b5a779cd84c023 (patch)
tree: 3e5d0c0c87b81a007667fc4b533cb9403675a422
parent: 7ad48953a4d9470d2f4fe89343c0b09bff410c58 (diff)
download: searchix-73603079e29bc89c54296a9e12b5a779cd84c023.tar.lz
searchix-73603079e29bc89c54296a9e12b5a779cd84c023.tar.zst
searchix-73603079e29bc89c54296a9e12b5a779cd84c023.zip
14 files changed, 544 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index 2368a38..ebdb921 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@
 !/README.md
 !/LICENSE
 !/justfile
+!/config.toml
 
 !/nix
 !*.nix
@@ -25,5 +26,9 @@
 !/gomod2nix.toml
 !*.go
 
+!*.tmpl
+!*.js
+!/frontend
+
 # ...even if they are in subdirectories
 !*/
diff --git a/config.toml b/config.toml
new file mode 100644
index 0000000..cdbe7d1
--- /dev/null
+++ b/config.toml
@@ -0,0 +1,23 @@
+base_url = "https://searchix.alanpearce.eu"
+
+[content-security-policy]
+default-src = [
+  "'none'",
+]
+image-src = [
+  "'self'",
+  "http://gc.zgo.at",
+]
+script-src = [
+  "'self'",
+  "http://gc.zgo.at",
+]
+style-src = [
+  "'unsafe-inline'",
+]
+require-trusted-types-for = [
+  "'script'",
+]
+
+[headers]
+x-content-type-options = "nosniff"
diff --git a/frontend/templates/index.tmpl b/frontend/templates/index.tmpl
new file mode 100644
index 0000000..fd9cc8f
--- /dev/null
+++ b/frontend/templates/index.tmpl
@@ -0,0 +1,11 @@
+<!doctype html>
+<html lang="en-GB">
+  <head>
+    <meta charset="UTF-8" />
+    <title>Searchix</title>
+  </head>
+  <body>
+    <h1>Searchix</h1>
+    {{ .LiveReload }}
+  </body>
+</html>
diff --git a/go.mod b/go.mod
index dcd2a6c..ac4a28b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,19 @@
 module searchix
 
 go 1.22.2
+
+require (
+	github.com/ardanlabs/conf/v3 v3.1.7
+	github.com/crewjam/csp v0.0.2
+	github.com/getsentry/sentry-go v0.27.0
+	github.com/osdevisnot/sorvor v0.4.4
+	github.com/pelletier/go-toml/v2 v2.2.1
+	github.com/pkg/errors v0.9.1
+	github.com/shengyanli1982/law v0.1.15
+)
+
+require (
+	github.com/google/go-cmp v0.6.0 // indirect
+	golang.org/x/sys v0.19.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..0869ec4
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,46 @@
+github.com/ardanlabs/conf/v3 v3.1.7 h1:p232cF68TafoA5U9ZlbxUIhGJtGNdKHBXF80Fdqb5t0=
+github.com/ardanlabs/conf/v3 v3.1.7/go.mod h1:zclexWKe0NVj6LHQ8NgDDZ7bQ1spE0KeKPFficdtAjU=
+github.com/crewjam/csp v0.0.2 h1:fIq6o0Z6bkABlvLT3kB0XgPnVX9iNXSAGMILs6AqHVw=
+github.com/crewjam/csp v0.0.2/go.mod h1:0tirp4wHwMLZZtV+HXRqGFkUO7uD2ux+1ECvK+7/xFI=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/evanw/esbuild v0.14.11/go.mod h1:GG+zjdi59yh3ehDn4ZWfPcATxjPDUH53iU4ZJbp7dkY=
+github.com/getsentry/sentry-go v0.27.0 h1:Pv98CIbtB3LkMWmXi4Joa5OOcwbmnX88sF5qbK3r3Ps=
+github.com/getsentry/sentry-go v0.27.0/go.mod h1:lc76E2QywIyW8WuBnwl8Lc4bkmQH4+w1gwTf25trprY=
+github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxIA=
+github.com/go-errors/errors v1.4.2/go.mod h1:sIVyrIiJhuEF+Pj9Ebtd6P/rEYROXFi3BopGUQ5a5Og=
+github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/osdevisnot/sorvor v0.4.4 h1:hcMWsWOKpUtDUE3F7dra1Jf12ftLHfgDcxlyPeVlz0Y=
+github.com/osdevisnot/sorvor v0.4.4/go.mod h1:D/j+vvJEmjIXndJf37uwFWD0Hjcq9DiGojyt4yMo7H0=
+github.com/pelletier/go-toml/v2 v2.2.1 h1:9TA9+T8+8CUCO2+WYnDLCgrYi9+omqKXyjDtosvtEhg=
+github.com/pelletier/go-toml/v2 v2.2.1/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
+github.com/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4=
+github.com/pingcap/errors v0.11.4/go.mod h1:Oi8TUi2kEtXXLMJk9l1cGmz20kV3TaQ0usTwv5KuLY8=
+github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/shengyanli1982/law v0.1.15 h1:puSn0Saa+0ptjszspycfWHPSu0D3kBcU3oEeW83MRIc=
+github.com/shengyanli1982/law v0.1.15/go.mod h1:20k9YnOTwilUB4X5Z4S7TIX5Ek1Ok4xfx8V8ZxIWlyM=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/sys v0.0.0-20210908233432-aa78b53d3365/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220111092808-5a964db01320/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
+golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/gomod2nix.toml b/gomod2nix.toml
index 43cd4cf..436a69c 100644
--- a/gomod2nix.toml
+++ b/gomod2nix.toml
@@ -1,3 +1,33 @@
 schema = 3
 
 [mod]
+  [mod."github.com/ardanlabs/conf/v3"]
+    version = "v3.1.7"
+    hash = "sha256-7H53l0JN5Q6hkAgBivVQ8lFd03oNmP1IG8ihzLKm2CQ="
+  [mod."github.com/crewjam/csp"]
+    version = "v0.0.2"
+    hash = "sha256-4vlGmDdQjPiXmueCV51fJH/hRcG8eqhCi9TENCXjzfA="
+  [mod."github.com/getsentry/sentry-go"]
+    version = "v0.27.0"
+    hash = "sha256-PTkTzVNogqFA/5rc6INLY6RxK5uR1AoJFOO+pOPdE7Q="
+  [mod."github.com/google/go-cmp"]
+    version = "v0.6.0"
+    hash = "sha256-qgra5jze4iPGP0JSTVeY5qV5AvEnEu39LYAuUCIkMtg="
+  [mod."github.com/osdevisnot/sorvor"]
+    version = "v0.4.4"
+    hash = "sha256-BhyO7bvwxIdEV+c6Eo1uqahhcgsHiS8nJpg2aT8t+8s="
+  [mod."github.com/pelletier/go-toml/v2"]
+    version = "v2.2.1"
+    hash = "sha256-gmQ4CTz/MI97D3pYqU7mpxqo8gBTDccQ1Cp0lAMmJUc="
+  [mod."github.com/pkg/errors"]
+    version = "v0.9.1"
+    hash = "sha256-mNfQtcrQmu3sNg/7IwiieKWOgFQOVVe2yXgKBpe/wZw="
+  [mod."github.com/shengyanli1982/law"]
+    version = "v0.1.15"
+    hash = "sha256-Z5G3PtR7V0d04MN+kBge33Pv6VDjJryx+N7JGJkzfLQ="
+  [mod."golang.org/x/sys"]
+    version = "v0.19.0"
+    hash = "sha256-cmuL31TYLJmDm/fDnI2Sn0wB88cpdOHV1+urorsJWx4="
+  [mod."golang.org/x/text"]
+    version = "v0.14.0"
+    hash = "sha256-yh3B0tom1RfzQBf1RNmfdNWF1PtiqxV41jW1GVS6JAg="
diff --git a/internal/config/config.go b/internal/config/config.go
new file mode 100644
index 0000000..e9300ce
--- /dev/null
+++ b/internal/config/config.go
@@ -0,0 +1,51 @@
+package config
+
+import (
+	"log/slog"
+	"net/url"
+	"os"
+
+	"github.com/pelletier/go-toml/v2"
+	"github.com/pkg/errors"
+)
+
+type URL struct {
+	*url.URL
+}
+
+func (u *URL) UnmarshalText(text []byte) (err error) {
+	u.URL, err = url.Parse(string(text))
+
+	if err != nil {
+		return errors.WithMessage(err, "could not parse URL")
+	}
+
+	return nil
+}
+
+type Config struct {
+	BaseURL URL  `toml:"base_url"`
+	CSP     *CSP `toml:"content-security-policy"`
+	Headers map[string]string
+}
+
+func GetConfig() (*Config, error) {
+	config := Config{}
+	slog.Debug("reading config.toml")
+	file, err := os.Open("config.toml")
+	if err != nil {
+		return nil, errors.WithMessage(err, "error reading configuration")
+	}
+	dec := toml.NewDecoder(file)
+	err = dec.Decode(&config)
+	if err != nil {
+		var tomlError toml.DecodeError
+		if errors.As(err, &tomlError) {
+			return nil, errors.WithMessage(err, tomlError.Error())
+		}
+
+		return nil, errors.Wrap(err, "config error")
+	}
+
+	return &config, nil
+}
diff --git a/internal/config/csp.go b/internal/config/csp.go
new file mode 100644
index 0000000..970663c
--- /dev/null
+++ b/internal/config/csp.go
@@ -0,0 +1,45 @@
+package config
+
+// Code generated  DO NOT EDIT.
+
+import (
+	"github.com/crewjam/csp"
+)
+
+type CSP struct {
+	BaseURI                 []string                     `csp:"base-uri" toml:"base-uri"`
+	BlockAllMixedContent    bool                         `csp:"block-all-mixed-content" toml:"block-all-mixed-content"`
+	ChildSrc                []string                     `csp:"child-src" toml:"child-src"`
+	ConnectSrc              []string                     `csp:"connect-src" toml:"connect-src"`
+	DefaultSrc              []string                     `csp:"default-src" toml:"default-src"`
+	FontSrc                 []string                     `csp:"font-src" toml:"font-src"`
+	FormAction              []string                     `csp:"form-action" toml:"form-action"`
+	FrameAncestors          []string                     `csp:"frame-ancestors" toml:"frame-ancestors"`
+	FrameSrc                []string                     `csp:"frame-src" toml:"frame-src"`
+	ImgSrc                  []string                     `csp:"img-src" toml:"img-src"`
+	ManifestSrc             []string                     `csp:"manifest-src" toml:"manifest-src"`
+	MediaSrc                []string                     `csp:"media-src" toml:"media-src"`
+	NavigateTo              []string                     `csp:"navigate-to" toml:"navigate-to"`
+	ObjectSrc               []string                     `csp:"object-src" toml:"object-src"`
+	PluginTypes             []string                     `csp:"plugin-types" toml:"plugin-types"`
+	PrefetchSrc             []string                     `csp:"prefetch-src" toml:"prefetch-src"`
+	Referrer                csp.ReferrerPolicy           `csp:"referrer" toml:"referrer"`
+	ReportTo                string                       `csp:"report-to" toml:"report-to"`
+	ReportURI               string                       `csp:"report-uri" toml:"report-uri"`
+	RequireSRIFor           []csp.RequireSRIFor          `csp:"require-sri-for" toml:"require-sri-for"`
+	RequireTrustedTypesFor  []csp.RequireTrustedTypesFor `csp:"require-trusted-types-for" toml:"require-trusted-types-for"`
+	Sandbox                 csp.Sandbox                  `csp:"sandbox" toml:"sandbox"`
+	ScriptSrc               []string                     `csp:"script-src" toml:"script-src"`
+	ScriptSrcAttr           []string                     `csp:"script-src-attr" toml:"script-src-attr"`
+	ScriptSrcElem           []string                     `csp:"script-src-elem" toml:"script-src-elem"`
+	StyleSrc                []string                     `csp:"style-src" toml:"style-src"`
+	StyleSrcAttr            []string                     `csp:"style-src-attr" toml:"style-src-attr"`
+	StyleSrcElem            []string                     `csp:"style-src-elem" toml:"style-src-elem"`
+	TrustedTypes            []string                     `csp:"trusted-types" toml:"trusted-types"`
+	UpgradeInsecureRequests bool                         `csp:"upgrade-insecure-requests" toml:"upgrade-insecure-requests"`
+	WorkerSrc               []string                     `csp:"worker-src" toml:"worker-src"`
+}
+
+func (c *CSP) String() string {
+	return csp.Header(*c).String()
+}
diff --git a/internal/server/headers.go b/internal/server/headers.go
new file mode 100644
index 0000000..0efc384
--- /dev/null
+++ b/internal/server/headers.go
@@ -0,0 +1,17 @@
+package server
+
+import (
+	"net/http"
+	cfg "searchix/internal/config"
+)
+
+func AddHeadersMiddleware(next http.Handler, config *cfg.Config) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		for h, v := range config.Headers {
+			w.Header().Add(h, v)
+		}
+		w.Header().Add("Content-Security-Policy", config.CSP.String())
+
+		next.ServeHTTP(w, r)
+	})
+}
diff --git a/internal/server/logging.go b/internal/server/logging.go
new file mode 100644
index 0000000..6a16f42
--- /dev/null
+++ b/internal/server/logging.go
@@ -0,0 +1,55 @@
+package server
+
+import (
+	"fmt"
+	"io"
+	"net/http"
+)
+
+type LoggingResponseWriter struct {
+	http.ResponseWriter
+	statusCode int
+}
+
+func (lrw *LoggingResponseWriter) WriteHeader(code int) {
+	lrw.statusCode = code
+	// avoids warning: superfluous response.WriteHeader call
+	if lrw.statusCode != http.StatusOK {
+		lrw.ResponseWriter.WriteHeader(code)
+	}
+}
+
+func NewLoggingResponseWriter(w http.ResponseWriter) *LoggingResponseWriter {
+	return &LoggingResponseWriter{w, http.StatusOK}
+}
+
+type wrappedHandlerOptions struct {
+	defaultHostname string
+	logger          io.Writer
+}
+
+func wrapHandlerWithLogging(wrappedHandler http.Handler, opts wrappedHandlerOptions) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		scheme := r.Header.Get("X-Forwarded-Proto")
+		if scheme == "" {
+			scheme = "http"
+		}
+		host := r.Header.Get("Host")
+		if host == "" {
+			host = opts.defaultHostname
+		}
+		lw := NewLoggingResponseWriter(w)
+		wrappedHandler.ServeHTTP(lw, r)
+		statusCode := lw.statusCode
+		fmt.Fprintf(
+			opts.logger,
+			"%s %s %d %s %s %s\n",
+			scheme,
+			r.Method,
+			statusCode,
+			host,
+			r.URL.Path,
+			lw.Header().Get("Location"),
+		)
+	})
+}
diff --git a/internal/server/server.go b/internal/server/server.go
new file mode 100644
index 0000000..fc56d47
--- /dev/null
+++ b/internal/server/server.go
@@ -0,0 +1,175 @@
+package server
+
+import (
+	"context"
+	"html/template"
+	"io"
+	"log"
+	"log/slog"
+	"net"
+	"net/http"
+	"os"
+	"path"
+	"slices"
+	"time"
+
+	cfg "searchix/internal/config"
+
+	"github.com/getsentry/sentry-go"
+	sentryhttp "github.com/getsentry/sentry-go/http"
+	"github.com/osdevisnot/sorvor/pkg/livereload"
+	"github.com/pkg/errors"
+	"github.com/shengyanli1982/law"
+)
+
+var config *cfg.Config
+
+var (
+	CommitSHA string
+	ShortSHA  string
+)
+
+type Config struct {
+	Production    bool    `conf:"default:false"`
+	InDevServer   bool    `conf:"default:false"`
+	LiveReload    bool    `conf:"default:false,flag:live"`
+	Root          string  `conf:"default:website"`
+	ListenAddress string  `conf:"default:localhost"`
+	Port          string  `conf:"default:3000,short:p"`
+	BaseURL       cfg.URL `conf:"default:http://localhost:3000,short:b"`
+}
+
+type HTTPError struct {
+	Error   error
+	Message string
+	Code    int
+}
+
+type Server struct {
+	*http.Server
+}
+
+const jsSnippet = template.HTML(livereload.JsSnippet) // #nosec G203
+
+type TemplateData struct {
+	LiveReload template.HTML
+	Data       map[string]interface{}
+}
+
+func applyDevModeOverrides(config *cfg.Config) {
+	config.CSP.ScriptSrc = slices.Insert(config.CSP.ScriptSrc, 0, "'unsafe-inline'")
+	config.CSP.ConnectSrc = slices.Insert(config.CSP.ConnectSrc, 0, "'self'")
+}
+
+func New(runtimeConfig *Config) (*Server, error) {
+	var err error
+	config, err = cfg.GetConfig()
+	if err != nil {
+		return nil, errors.WithMessage(err, "error parsing configuration file")
+	}
+
+	env := "development"
+	if runtimeConfig.Production {
+		env = "production"
+	}
+	err = sentry.Init(sentry.ClientOptions{
+		EnableTracing:    true,
+		TracesSampleRate: 1.0,
+		Dsn:              os.Getenv("SENTRY_DSN"),
+		Release:          CommitSHA,
+		Environment:      env,
+	})
+	if err != nil {
+		return nil, errors.WithMessage(err, "could not set up sentry")
+	}
+	defer sentry.Flush(2 * time.Second)
+	sentryHandler := sentryhttp.New(sentryhttp.Options{
+		Repanic: true,
+	})
+
+	tpl := template.Must(template.ParseGlob(path.Join("frontend", "templates", "*.tmpl")))
+
+	top := http.NewServeMux()
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", func(w http.ResponseWriter, _ *http.Request) {
+		tdata := TemplateData{
+			LiveReload: jsSnippet,
+			Data:       make(map[string]interface{}),
+		}
+		err := tpl.Execute(w, tdata)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	})
+
+	mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("frontend/static"))))
+
+	if runtimeConfig.LiveReload {
+		applyDevModeOverrides(config)
+		liveReload := livereload.New()
+		liveReload.Start()
+		mux.Handle("/livereload", liveReload)
+		// liveReload.Reload()
+	}
+
+	var logWriter io.Writer
+	if runtimeConfig.Production {
+		logWriter = law.NewWriteAsyncer(os.Stdout, nil)
+	} else {
+		logWriter = os.Stdout
+	}
+	top.Handle("/",
+		AddHeadersMiddleware(
+			sentryHandler.Handle(
+				wrapHandlerWithLogging(mux, wrappedHandlerOptions{
+					defaultHostname: runtimeConfig.BaseURL.Hostname(),
+					logger:          logWriter,
+				}),
+			),
+			config,
+		),
+	)
+	// no logging, no sentry
+	top.HandleFunc("/health", func(w http.ResponseWriter, _ *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	})
+
+	listenAddress := net.JoinHostPort(runtimeConfig.ListenAddress, runtimeConfig.Port)
+
+	return &Server{
+		&http.Server{
+			Addr:              listenAddress,
+			Handler:           top,
+			ReadHeaderTimeout: 20 * time.Second,
+		},
+	}, nil
+}
+
+func (s *Server) Start() error {
+	if err := s.ListenAndServe(); err != http.ErrServerClosed {
+		return errors.WithMessage(err, "could not start server")
+	}
+
+	return nil
+}
+
+func (s *Server) Stop() chan struct{} {
+	slog.Debug("stop called")
+
+	idleConnsClosed := make(chan struct{})
+
+	go func() {
+		slog.Debug("shutting down server")
+		ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+		defer cancel()
+		err := s.Server.Shutdown(ctx)
+		slog.Debug("server shut down")
+		if err != nil {
+			// Error from closing listeners, or context timeout:
+			log.Printf("HTTP server Shutdown: %v", err)
+		}
+		close(idleConnsClosed)
+	}()
+
+	return idleConnsClosed
+}
diff --git a/justfile b/justfile
index 8054509..d78325f 100644
--- a/justfile
+++ b/justfile
@@ -14,3 +14,6 @@ fix:
 
 precommit:
 	nix-build -A pre-commit-check
+
+dev:
+	wgo run ./serve/
diff --git a/serve/main.go b/serve/main.go
index 7905807..6b55977 100644
--- a/serve/main.go
+++ b/serve/main.go
@@ -1,5 +1,71 @@
 package main
 
+import (
+	"fmt"
+	"log"
+	"log/slog"
+	"os"
+	"os/signal"
+	"sync"
+
+	"searchix/internal/server"
+
+	"github.com/ardanlabs/conf/v3"
+	"github.com/pkg/errors"
+)
+
+var (
+	CommitSHA string
+	ShortSHA  string
+)
+
 func main() {
+	if os.Getenv("DEBUG") != "" {
+		slog.SetLogLoggerLevel(slog.LevelDebug)
+	}
+	log.SetFlags(log.LstdFlags | log.Lmsgprefix)
+	log.SetPrefix("searchix: ")
+
+	runtimeConfig := server.Config{}
+	help, err := conf.Parse("", &runtimeConfig)
+	if err != nil {
+		if errors.Is(err, conf.ErrHelpWanted) {
+			fmt.Println(help)
+			os.Exit(1)
+		}
+		log.Panicf("parsing runtime configuration: %v", err)
+	}
+
+	c := make(chan os.Signal, 2)
+	signal.Notify(c, os.Interrupt)
+	sv, err := server.New(&runtimeConfig)
+	if err != nil {
+		log.Fatalf("error setting up server: %v", err)
+	}
+	wg := &sync.WaitGroup{}
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		sig := <-c
+		log.Printf("signal captured: %v", sig)
+		<-sv.Stop()
+		slog.Debug("server stopped")
+	}()
+
+	sErr := make(chan error)
+	wg.Add(1)
+	go func() {
+		defer wg.Done()
+		sErr <- sv.Start()
+	}()
+	if !runtimeConfig.InDevServer {
+		log.Printf("server listening on %s", sv.Addr)
+	}
 
+	err = <-sErr
+	if err != nil {
+		// Error starting or closing listener:
+		log.Fatalf("error: %v", err)
+	}
+	wg.Wait()
 }
diff --git a/shell.nix b/shell.nix
index ae73c6b..2c635ad 100644
--- a/shell.nix
+++ b/shell.nix
@@ -20,6 +20,7 @@ pkgs.mkShell {
   packages = with pkgs; [
     goEnv
 
+    wgo
     gomod2nix
     niv
     nixpkgs-lint
author	Alan Pearce	2024-05-02 23:18:19 +0200
committer	Alan Pearce	2024-05-02 23:20:30 +0200
commit	73603079e29bc89c54296a9e12b5a779cd84c023 (patch)
tree	3e5d0c0c87b81a007667fc4b533cb9403675a422
parent	7ad48953a4d9470d2f4fe89343c0b09bff410c58 (diff)
download	searchix-73603079e29bc89c54296a9e12b5a779cd84c023.tar.lz searchix-73603079e29bc89c54296a9e12b5a779cd84c023.tar.zst searchix-73603079e29bc89c54296a9e12b5a779cd84c023.zip