feat #258: Added configurable daemon launch timeout

issues/issue_258/process-compose.yaml

@@ -8,6 +8,7 @@ processes:
   postgresql:
     command: "exec pg_ctl start -o \"-k /home/eugene/projects/go/process-compose/issues/issue_258/.devbox/virtenv/postgresql\" && wait"
     is_daemon: true
+    launch_timeout_seconds: 2
     shutdown:
       command: "pg_ctl stop -m fast"
     availability:

src/app/process.go

@@ -176,7 +176,7 @@ func (p *Process) run() int {
 func (p *Process) waitForStdOutErr() {
 	ctx, cancel := context.WithCancel(context.Background())
 	if p.procConf.IsDaemon {
-		ctx, cancel = context.WithTimeout(context.Background(), 5*time.Second)
+		ctx, cancel = context.WithTimeout(context.Background(), time.Duration(p.procConf.LaunchTimeout)*time.Second)
 	}
 	defer cancel()
 	if p.stdOutDone != nil {

src/loader/mutators.go

@@ -46,6 +46,9 @@ func assignDefaultProcessValues(p *types.Project) {
 		if proc.Replicas == 0 {
 			proc.Replicas = 1
 		}
+		if proc.LaunchTimeout < 1 {
+			proc.LaunchTimeout = types.DefaultLaunchTimeout
+		}
 		proc.Name = name
 		p.Processes[name] = proc
 	}

src/types/process.go

@@ -14,6 +14,7 @@ import (
 
 const DefaultNamespace = "default"
 const PlaceHolderValue = "-"
+const DefaultLaunchTimeout = 5
 
 type Processes map[string]ProcessConfig
 type Environment []string
@@ -42,6 +43,7 @@ type ProcessConfig struct {
 	IsForeground      bool                   `yaml:"is_foreground"`
 	IsTty             bool                   `yaml:"is_tty"`
 	IsElevated        bool                   `yaml:"is_elevated"`
+	LaunchTimeout     int                    `yaml:"launch_timeout_seconds"`
 	ReplicaNum        int
 	ReplicaName       string
 	Executable        string

www/docs/launcher.md

@@ -184,6 +184,7 @@ processes:
   nginx:
     command: "docker run -d --rm --name nginx_test nginx" # note the '-d' for detached mode
     is_daemon: true # this flag is required for background processes (default false)
+    launch_timeout_seconds: 2 # default 5s
     shutdown:
       command: "docker stop nginx_test"
       timeout_seconds: 10 # default 10
@@ -196,6 +197,8 @@ processes:
 
 3. Daemon processes can only be stopped with the `$PROCESSNAME.shutdown.command` as in the example above.
 
+4. If parent process (starter) won’t close `stdout` and `stderr` within specified `launch_timeout_seconds`, (default 5 seconds) process compose will stop waiting for its log completion and start waiting for process termination. (more details are [here](https://github.com/F1bonacc1/process-compose/issues/258#issuecomment-2439544894))
+
 ## Foreground Processes
 
 ```yaml hl_lines="4"