Rework cmds into single binary

- Move igor commands into single binary
- Adds DB migrate tool
- Respeced DB setup into migrations for https://github.com/golang-migrate/migrate
- Moved User/Password setting to env vars for easier integration
- Fixed flaky unit test

.gitignore

@@ -1,3 +1,3 @@
-cmd/db_migrate/*.sql
+cmd/db_migrate/00.sql
 **/__pycache__
 release.sh

Dockerfile

@@ -0,0 +1,39 @@
+# Build the application
+FROM golang:1.21
+
+WORKDIR /go/src/github.com/voidshard/igor
+COPY go.mod ./
+COPY go.sum ./
+COPY cmd cmd
+COPY pkg pkg
+COPY internal internal
+RUN go mod download
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /igor ./cmd/igor/*.go
+
+# Create a minimal image
+FROM alpine
+
+ARG USER=app
+ARG GROUPNAME=$USER
+ARG UID=12345
+ARG GID=23456
+
+RUN addgroup \
+    --gid "$GID" \
+    "$GROUPNAME" \
+&&  adduser \
+    --disabled-password \
+    --gecos "" \
+    --home "$(pwd)" \
+    --ingroup "$GROUPNAME" \
+    --no-create-home \
+    --uid "$UID" \
+    $USER
+
+COPY --from=0 /igor /igor
+COPY migrations migrations
+RUN chown -R $USER:$GROUPNAME /igor migrations
+
+USER $USER
+ENTRYPOINT ["/igor"]

cmd/igor/api.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"github.com/voidshard/igor/internal/utils"
+	"github.com/voidshard/igor/pkg/api"
+	"github.com/voidshard/igor/pkg/api/http/server"
+	"github.com/voidshard/igor/pkg/database"
+	"github.com/voidshard/igor/pkg/queue"
+)
+
+const (
+	docApi = `Run the API server`
+)
+
+type optsAPI struct {
+	optsGeneral
+	optsDatabase
+	optsQueue
+
+	Addr    string `long:"addr" env:"ADDR" description:"Address to bind to" default:"localhost:8100"`
+	TLSCert string `long:"cert" env:"CERT" description:"Path to TLS certificate"`
+	TLSKey  string `long:"key" env:"KEY" description:"Path to TLS key"`
+
+	StaticDir string `long:"static-dir" env:"STATIC_DIR" default:"" description:"Serve static files from this directory"`
+}
+
+func (c *optsAPI) Execute(args []string) error {
+	// This main runs an API server (in this case, http) so that callers can interact with Igor over HTTP.
+	// Since this is configured with OptionsClientDefault it does not run any background routines
+	// that Igor needs to function (ie, to process events, queue tasks etc).
+	//
+	// This is intended purely to serve Igor's service API to clients over the network. Though you could
+	// have one server type do both if you wanted.
+	//
+	// If you wished to interact with Igor via. importing the pkg libraries, then you don't need to run this.
+	//
+	// Alternatively, you could add more servers under pkg/api/ to serve Igor's API over other protocols like
+	// gRPC, thrift or whatever you like and modifiy this to serve them all.
+	tlsCfg, err := utils.TLSConfig(c.QueueTLSCaCert, c.QueueTLSCert, c.QueueTLSKey)
+	if err != nil {
+		panic(err)
+	}
+	qOpts := &queue.Options{URL: c.QueueURL, TLSConfig: tlsCfg}
+
+	api, err := api.New(
+		&database.Options{URL: c.DatabaseURL},
+		qOpts,
+		api.OptionsClientDefault(),
+	)
+	if err != nil {
+		panic(err)
+	}
+
+	s := server.NewServer(c.Addr, c.StaticDir, c.TLSCert, c.TLSKey, c.Debug)
+	return s.ServeForever(api)
+}