Support changing the /tmp volume size in the config

config/config_docker.go

@@ -63,6 +63,11 @@ type DockerConfiguration struct {
 
 	// Registries .
 	Registries map[string]RegistryConfiguration `json:"registries" yaml:"registries"`
+
+	// The size of the /tmp directory when mounted into a container. Please be aware that Docker
+	// utilizes host memory for this value, and that we do not keep track of the space used here
+	// so avoid allocating too much to a server.
+	TmpfsSize uint `default:"100" json:"tmpfs_size" yaml:"tmpfs_size"`
 }
 
 // RegistryConfiguration .

environment/docker/container.go

@@ -148,6 +148,8 @@ func (e *Environment) Create() error {
 		},
 	}
 
+	tmpfsSize := strconv.Itoa(int(config.Get().Docker.TmpfsSize))
+
 	hostConf := &container.HostConfig{
 		PortBindings: a.Bindings(),
 
@@ -158,7 +160,7 @@ func (e *Environment) Create() error {
 		// Configure the /tmp folder mapping in containers. This is necessary for some
 		// games that need to make use of it for downloads and other installation processes.
 		Tmpfs: map[string]string{
-			"/tmp": "rw,exec,nosuid,size=50M",
+			"/tmp": "rw,exec,nosuid,size="+tmpfsSize+"M",
 		},
 
 		// Define resource limits for the container based on the data passed through

server/install.go

@@ -19,6 +19,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"strconv"
 	"sync"
 	"time"
 )
@@ -429,6 +430,7 @@ func (ip *InstallationProcess) Execute(installPath string) (string, error) {
 		},
 	}
 
+	tmpfsSize := strconv.Itoa(int(config.Get().Docker.TmpfsSize))
 	hostConf := &container.HostConfig{
 		Mounts: []mount.Mount{
 			{
@@ -445,7 +447,7 @@ func (ip *InstallationProcess) Execute(installPath string) (string, error) {
 			},
 		},
 		Tmpfs: map[string]string{
-			"/tmp": "rw,exec,nosuid,size=50M",
+			"/tmp": "rw,exec,nosuid,size="+tmpfsSize+"M",
 		},
 		DNS: config.Get().Docker.Network.Dns,
 		LogConfig: container.LogConfig{