feat(socket-proxy): implement Docker socket proxy and related configurations

- Updated Dockerfile and Makefile for socket-proxy build.
- Modified go.mod to include necessary dependencies.
- Updated CI workflows for socket-proxy integration.
- Better module isolation
- Code refactor

agent/pkg/env/env.go

@@ -20,35 +20,6 @@ var (
 	AgentSkipClientCertCheck bool
 	AgentCACert              string
 	AgentSSLCert             string
-
-	DockerSocketAddr   string
-	DockerPost         bool
-	DockerRestarts     bool
-	DockerStart        bool
-	DockerStop         bool
-	DockerAuth         bool
-	DockerBuild        bool
-	DockerCommit       bool
-	DockerConfigs      bool
-	DockerContainers   bool
-	DockerDistribution bool
-	DockerEvents       bool
-	DockerExec         bool
-	DockerGrpc         bool
-	DockerImages       bool
-	DockerInfo         bool
-	DockerNetworks     bool
-	DockerNodes        bool
-	DockerPing         bool
-	DockerPlugins      bool
-	DockerSecrets      bool
-	DockerServices     bool
-	DockerSession      bool
-	DockerSwarm        bool
-	DockerSystem       bool
-	DockerTasks        bool
-	DockerVersion      bool
-	DockerVolumes      bool
 )
 
 func init() {
@@ -62,35 +33,4 @@ func Load() {
 
 	AgentCACert = common.GetEnvString("AGENT_CA_CERT", "")
 	AgentSSLCert = common.GetEnvString("AGENT_SSL_CERT", "")
-
-	// docker socket proxy
-	DockerSocketAddr = common.GetEnvString("DOCKER_SOCKET_ADDR", "127.0.0.1:2375")
-
-	DockerPost = common.GetEnvBool("POST", false)
-	DockerRestarts = common.GetEnvBool("ALLOW_RESTARTS", false)
-	DockerStart = common.GetEnvBool("ALLOW_START", false)
-	DockerStop = common.GetEnvBool("ALLOW_STOP", false)
-	DockerAuth = common.GetEnvBool("AUTH", false)
-	DockerBuild = common.GetEnvBool("BUILD", false)
-	DockerCommit = common.GetEnvBool("COMMIT", false)
-	DockerConfigs = common.GetEnvBool("CONFIGS", false)
-	DockerContainers = common.GetEnvBool("CONTAINERS", false)
-	DockerDistribution = common.GetEnvBool("DISTRIBUTION", false)
-	DockerEvents = common.GetEnvBool("EVENTS", true)
-	DockerExec = common.GetEnvBool("EXEC", false)
-	DockerGrpc = common.GetEnvBool("GRPC", false)
-	DockerImages = common.GetEnvBool("IMAGES", false)
-	DockerInfo = common.GetEnvBool("INFO", false)
-	DockerNetworks = common.GetEnvBool("NETWORKS", false)
-	DockerNodes = common.GetEnvBool("NODES", false)
-	DockerPing = common.GetEnvBool("PING", true)
-	DockerPlugins = common.GetEnvBool("PLUGINS", false)
-	DockerSecrets = common.GetEnvBool("SECRETS", false)
-	DockerServices = common.GetEnvBool("SERVICES", false)
-	DockerSession = common.GetEnvBool("SESSION", false)
-	DockerSwarm = common.GetEnvBool("SWARM", false)
-	DockerSystem = common.GetEnvBool("SYSTEM", false)
-	DockerTasks = common.GetEnvBool("TASKS", false)
-	DockerVersion = common.GetEnvBool("VERSION", true)
-	DockerVolumes = common.GetEnvBool("VOLUMES", false)
 }