diff --git a/cmd/run.go b/cmd/run.go
index 4c91b69..bce9889 100644
--- a/cmd/run.go
+++ b/cmd/run.go
@@ -7,6 +7,7 @@ import (
 	"github.com/nlewo/comin/internal/http"
 	"github.com/nlewo/comin/internal/manager"
 	"github.com/nlewo/comin/internal/poller"
+	"github.com/nlewo/comin/internal/prometheus"
 	"github.com/nlewo/comin/internal/repository"
 	"github.com/nlewo/comin/internal/utils"
 	"github.com/sirupsen/logrus"
@@ -39,9 +40,13 @@ var runCmd = &cobra.Command{
 			os.Exit(1)
 		}
 
-		manager := manager.New(repository, gitConfig.Path, cfg.Hostname, machineId)
+		metrics := prometheus.New()
+		manager := manager.New(repository, metrics, gitConfig.Path, cfg.Hostname, machineId)
 		go poller.Poller(manager, cfg.Remotes)
-		go http.Serve(manager, cfg.HttpServer.Address, cfg.HttpServer.Port)
+		http.Serve(manager,
+			metrics,
+			cfg.ApiServer.ListenAddress, cfg.ApiServer.Port,
+			cfg.Exporter.ListenAddress, cfg.Exporter.Port)
 		manager.Run()
 	},
 }
diff --git a/flake.nix b/flake.nix
index bf313dd..06e1434 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,7 +26,7 @@
             p == "README.md"
           );
         };
-        vendorHash = "sha256-7rh1t3DkKfJvUOkPjdi2vqS8JTZpWtI61mTBKDHcPVk=";
+        vendorHash = "sha256-9qObgfXvMkwE+1BVZNQXVhKhL6LqMqyIUhGnXf8q9SI=";
         buildInputs = [ final.makeWrapper ];
         postInstall = ''
           # This is because Nix needs Git at runtime by the go-git library
@@ -45,6 +45,10 @@
         hostname = cfg.services.comin.hostname;
         state_dir = "/var/lib/comin";
         remotes = cfg.services.comin.remotes;
+        exporter = {
+          listen_address = cfg.services.comin.exporter.listen_address;
+          port = cfg.services.comin.exporter.port;
+        };
       };
       cominConfigYaml = yaml.generate "comin.yaml" cominConfig;
     in {
@@ -67,6 +71,35 @@
               nixosConfigurations."<hostname>".config.system.build.toplevel
             '';
           };
+          exporter = mkOption {
+            description = "Options for the Prometheus exporter.";
+            default = {};
+            type = submodule {
+              options = {
+                listen_address = mkOption {
+                  type = str;
+                  description = ''
+                    Address to listen on for the Prometheus exporter. Empty string will listen on all interfaces.
+                  '';
+                  default = "";
+                };
+                port = mkOption {
+                  type = int;
+                  description = ''
+                    Port to listen on for the Prometheus exporter.
+                  '';
+                  default = 4243;
+                };
+                openFirewall = mkOption {
+                  type = types.bool;
+                  default = false;
+                  description = lib.mdDoc ''
+                    Open port in firewall for incoming connections to the Prometheus exporter.
+                  '';
+                };
+              };
+            };
+          };
           remotes = mkOption {
             description = "Ordered list of repositories to pull";
             type = listOf (submodule {
@@ -181,6 +214,7 @@
       config = lib.mkIf cfg.services.comin.enable {
         nixpkgs.overlays = [ self.overlay ];
         environment.systemPackages = [ pkgs.comin ];
+        networking.firewall.allowedTCPPorts = lib.optional cfg.services.comin.exporter.openFirewall cfg.services.comin.exporter.port;
         systemd.services.comin = {
           wantedBy = [ "multi-user.target" ];
           path = [ config.nix.package ];
diff --git a/go.mod b/go.mod
index d842f7f..096f06c 100644
--- a/go.mod
+++ b/go.mod
@@ -17,6 +17,8 @@ require (
 	dario.cat/mergo v1.0.0 // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20230923063757-afb1ddc0824c // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/cloudflare/circl v1.3.6 // indirect
 	github.com/cyphar/filepath-securejoin v0.2.4 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -30,15 +32,20 @@ require (
 	github.com/kevinburke/ssh_config v1.2.0 // indirect
 	github.com/pjbgf/sha1cd v0.3.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.19.0 // indirect
+	github.com/prometheus/client_model v0.5.0 // indirect
+	github.com/prometheus/common v0.48.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/sergi/go-diff v1.3.1 // indirect
 	github.com/skeema/knownhosts v1.2.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.17.0 // indirect
+	golang.org/x/crypto v0.18.0 // indirect
 	golang.org/x/mod v0.14.0 // indirect
-	golang.org/x/net v0.19.0 // indirect
-	golang.org/x/sys v0.15.0 // indirect
+	golang.org/x/net v0.20.0 // indirect
+	golang.org/x/sys v0.16.0 // indirect
 	golang.org/x/tools v0.16.1 // indirect
+	google.golang.org/protobuf v1.32.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 6064291..5f95a38 100644
--- a/go.sum
+++ b/go.sum
@@ -12,7 +12,11 @@ github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPd
 github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
 github.com/barkimedes/go-deepcopy v0.0.0-20220514131651-17c30cfc62df h1:GSoSVRLoBaFpOOds6QyY1L8AX7uoY+Ln3BHc22W40X0=
 github.com/barkimedes/go-deepcopy v0.0.0-20220514131651-17c30cfc62df/go.mod h1:hiVxq5OP2bUGBRNS3Z/bt/reCLFNbdcST6gISi1fiOM=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bwesterb/go-ristretto v1.2.3/go.mod h1:fUIoIZaG73pV5biE2Blr2xEzDoMj7NFEuV9ekS419A0=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -137,6 +141,14 @@ 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/prometheus/client_golang v1.19.0 h1:ygXvpU1AoN1MhdzckN+PyD9QJOSD4x7kmXYlnfbA6JU=
+github.com/prometheus/client_golang v1.19.0/go.mod h1:ZRM9uEAypZakd+q/x7+gmsvXdURP+DABIEIjnmDdp+k=
+github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw=
+github.com/prometheus/client_model v0.5.0/go.mod h1:dTiFglRmd66nLR9Pv9f0mZi7B7fk5Pm3gvsjB5tr+kI=
+github.com/prometheus/common v0.48.0 h1:QO8U2CdOzSn1BBsmXJXduaaW+dY/5QLjfB8svtSzKKE=
+github.com/prometheus/common v0.48.0/go.mod h1:0/KsvlIEfPQCQ5I2iNSAWKPZziNCvRs5EC6ILDTlAPc=
+github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
+github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
 github.com/rogpeppe/go-charset v0.0.0-20180617210344-2471d30d28b4/go.mod h1:qgYeAmZ5ZIpBWTGllZSQnw97Dj+woV0toclVaRGI8pc=
 github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
@@ -187,6 +199,8 @@ golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliY
 golang.org/x/crypto v0.16.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
 golang.org/x/crypto v0.17.0 h1:r8bRNjWL3GshPW3gkd+RpvzWrZAwPS49OmTGZ/uhM4k=
 golang.org/x/crypto v0.17.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/crypto v0.18.0 h1:PGVlW0xEltQnzFZ55hkuX5+KLyrMYhHld1YHO4AKcdc=
+golang.org/x/crypto v0.18.0/go.mod h1:R0j02AL6hcrfOiy9T4ZYp/rcWeMxM3L6QYxlOuEG1mg=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3/go.mod h1:3p9vT2HGsQu2K1YbXdKPJLVgG5VJdoTa1poYQBtP1AY=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
@@ -223,6 +237,8 @@ golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
 golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
 golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
+golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -270,6 +286,8 @@ golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
 golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.0.0-20220722155259-a9ba230a4035/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
@@ -325,6 +343,8 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
+google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
diff --git a/internal/config/config.go b/internal/config/config.go
index 1b735da..d858c1f 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -32,11 +32,17 @@ func Read(path string) (config types.Configuration, err error) {
 		}
 	}
 
-	if config.HttpServer.Address == "" {
-		config.HttpServer.Address = "127.0.0.1"
+	if config.ApiServer.ListenAddress == "" {
+		config.ApiServer.ListenAddress = "127.0.0.1"
 	}
-	if config.HttpServer.Port == 0 {
-		config.HttpServer.Port = 4242
+	if config.ApiServer.Port == 0 {
+		config.ApiServer.Port = 4242
+	}
+	if config.Exporter.ListenAddress == "" {
+		config.Exporter.ListenAddress = "0.0.0.0"
+	}
+	if config.Exporter.Port == 0 {
+		config.Exporter.Port = 4243
 	}
 	if config.StateFilepath == "" {
 		config.StateFilepath = filepath.Join(config.StateDir, "state.json")
diff --git a/internal/config/config_test.go b/internal/config/config_test.go
index 6bd3079..0ffa661 100644
--- a/internal/config/config_test.go
+++ b/internal/config/config_test.go
@@ -32,9 +32,13 @@ func TestConfig(t *testing.T) {
 				Timeout: 300,
 			},
 		},
-		HttpServer: types.HttpServer{
-			Address: "127.0.0.1",
-			Port:    4242,
+		ApiServer: types.HttpServer{
+			ListenAddress: "127.0.0.1",
+			Port:          4242,
+		},
+		Exporter: types.HttpServer{
+			ListenAddress: "0.0.0.0",
+			Port:          4243,
 		},
 	}
 	config, err := Read(configPath)
diff --git a/internal/http/http.go b/internal/http/http.go
index e248568..7c7cfba 100644
--- a/internal/http/http.go
+++ b/internal/http/http.go
@@ -8,6 +8,7 @@ import (
 	"os"
 
 	"github.com/nlewo/comin/internal/manager"
+	"github.com/nlewo/comin/internal/prometheus"
 	"github.com/sirupsen/logrus"
 )
 
@@ -24,16 +25,34 @@ func handlerStatus(m manager.Manager, w http.ResponseWriter, r *http.Request) {
 	return
 }
 
-func Serve(m manager.Manager, address string, port int) {
+// Serve starts http servers. We create two HTTP servers to easily be
+// able to expose metrics publicly while keeping on localhost only the
+// API.
+func Serve(m manager.Manager, p prometheus.Prometheus, apiAddress string, apiPort int, metricsAddress string, metricsPort int) {
 	handlerStatusFn := func(w http.ResponseWriter, r *http.Request) {
 		handlerStatus(m, w, r)
 		return
 	}
-	http.HandleFunc("/status", handlerStatusFn)
-	url := fmt.Sprintf("%s:%d", address, port)
-	logrus.Infof("Starting the webhook server on %s", url)
-	if err := http.ListenAndServe(url, nil); err != nil {
-		logrus.Errorf("Error while running the webhook server: %s", err)
-		os.Exit(1)
-	}
+
+	muxStatus := http.NewServeMux()
+	muxStatus.HandleFunc("/status", handlerStatusFn)
+	muxMetrics := http.NewServeMux()
+	muxMetrics.Handle("/metrics", p.Handler())
+
+	go func() {
+		url := fmt.Sprintf("%s:%d", apiAddress, apiPort)
+		logrus.Infof("Starting the API server on %s", url)
+		if err := http.ListenAndServe(url, muxStatus); err != nil {
+			logrus.Errorf("Error while running the API server: %s", err)
+			os.Exit(1)
+		}
+	}()
+	go func() {
+		url := fmt.Sprintf("%s:%d", metricsAddress, metricsPort)
+		logrus.Infof("Starting the metrics server on %s", url)
+		if err := http.ListenAndServe(url, muxMetrics); err != nil {
+			logrus.Errorf("Error while running the metrics server: %s", err)
+			os.Exit(1)
+		}
+	}()
 }
diff --git a/internal/manager/manager.go b/internal/manager/manager.go
index a7d5e4f..c119cf3 100644
--- a/internal/manager/manager.go
+++ b/internal/manager/manager.go
@@ -7,6 +7,7 @@ import (
 	"github.com/nlewo/comin/internal/deployment"
 	"github.com/nlewo/comin/internal/generation"
 	"github.com/nlewo/comin/internal/nix"
+	"github.com/nlewo/comin/internal/prometheus"
 	"github.com/nlewo/comin/internal/repository"
 	"github.com/nlewo/comin/internal/utils"
 	"github.com/sirupsen/logrus"
@@ -52,9 +53,11 @@ type Manager struct {
 
 	repositoryStatusCh  chan repository.RepositoryStatus
 	triggerDeploymentCh chan generation.Generation
+
+	prometheus prometheus.Prometheus
 }
 
-func New(r repository.Repository, path, hostname, machineId string) Manager {
+func New(r repository.Repository, p prometheus.Prometheus, path, hostname, machineId string) Manager {
 	return Manager{
 		repository:              r,
 		repositoryPath:          path,
@@ -70,6 +73,7 @@ func New(r repository.Repository, path, hostname, machineId string) Manager {
 		deploymentResultCh:      make(chan deployment.DeploymentResult),
 		repositoryStatusCh:      make(chan repository.RepositoryStatus),
 		triggerDeploymentCh:     make(chan generation.Generation, 1),
+		prometheus:              p,
 	}
 }
 
@@ -131,6 +135,7 @@ func (m Manager) onDeployment(ctx context.Context, deploymentResult deployment.D
 		m.needToBeRestarted = true
 	}
 	m.isRunning = false
+	m.prometheus.SetDeploymentInfo(m.deployment.Generation.SelectedCommitId, deployment.StatusToString(m.deployment.Status))
 	return m
 }
 
@@ -138,6 +143,17 @@ func (m Manager) onRepositoryStatus(ctx context.Context, rs repository.Repositor
 	logrus.Debugf("Fetch done with %#v", rs)
 	m.isFetching = false
 	m.repositoryStatus = rs
+
+	for _, r := range rs.Remotes {
+		if r.LastFetched {
+			status := "failed"
+			if r.FetchErrorMsg == "" {
+				status = "succeeded"
+			}
+			m.prometheus.IncFetchCounter(r.Name, status)
+		}
+	}
+
 	if rs.SelectedCommitId == m.generation.SelectedCommitId && rs.SelectedBranchIsTesting == m.generation.SelectedBranchIsTesting {
 		logrus.Debugf("The repository status is the same than the previous one")
 		m.isRunning = false
diff --git a/internal/manager/manager_test.go b/internal/manager/manager_test.go
index 5639433..7e53dfe 100644
--- a/internal/manager/manager_test.go
+++ b/internal/manager/manager_test.go
@@ -6,11 +6,16 @@ import (
 	"time"
 
 	"github.com/nlewo/comin/internal/deployment"
+	"github.com/nlewo/comin/internal/prometheus"
 	"github.com/nlewo/comin/internal/repository"
 	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 )
 
+type metricsMock struct{}
+
+func (m metricsMock) SetDeploymentInfo(commitId, status string) {}
+
 type repositoryMock struct {
 	rsCh chan repository.RepositoryStatus
 }
@@ -28,7 +33,7 @@ func (r *repositoryMock) FetchAndUpdate(ctx context.Context, remoteName string)
 func TestRun(t *testing.T) {
 	logrus.SetLevel(logrus.DebugLevel)
 	r := newRepositoryMock()
-	m := New(r, "", "", "")
+	m := New(r, prometheus.New(), "", "", "")
 
 	evalDone := make(chan struct{})
 	buildDone := make(chan struct{})
@@ -89,7 +94,7 @@ func TestRun(t *testing.T) {
 func TestFetchBusy(t *testing.T) {
 	logrus.SetLevel(logrus.DebugLevel)
 	r := newRepositoryMock()
-	m := New(r, "", "", "machine-id")
+	m := New(r, prometheus.New(), "", "", "machine-id")
 	go m.Run()
 
 	assert.Equal(t, State{}, m.GetState())
@@ -104,7 +109,7 @@ func TestFetchBusy(t *testing.T) {
 func TestRestartComin(t *testing.T) {
 	logrus.SetLevel(logrus.DebugLevel)
 	r := newRepositoryMock()
-	m := New(r, "", "", "machine-id")
+	m := New(r, prometheus.New(), "", "", "machine-id")
 	dCh := make(chan deployment.DeploymentResult)
 	m.deploymentResultCh = dCh
 	isCominRestarted := false
@@ -126,7 +131,7 @@ func TestRestartComin(t *testing.T) {
 func TestOptionnalMachineId(t *testing.T) {
 	logrus.SetLevel(logrus.DebugLevel)
 	r := newRepositoryMock()
-	m := New(r, "", "", "the-test-machine-id")
+	m := New(r, prometheus.New(), "", "", "the-test-machine-id")
 
 	evalDone := make(chan struct{})
 	buildDone := make(chan struct{})
@@ -158,7 +163,7 @@ func TestOptionnalMachineId(t *testing.T) {
 func TestIncorrectMachineId(t *testing.T) {
 	logrus.SetLevel(logrus.DebugLevel)
 	r := newRepositoryMock()
-	m := New(r, "", "", "the-test-machine-id")
+	m := New(r, prometheus.New(), "", "", "the-test-machine-id")
 
 	evalDone := make(chan struct{})
 	buildDone := make(chan struct{})
diff --git a/internal/prometheus/prometheus.go b/internal/prometheus/prometheus.go
new file mode 100644
index 0000000..45659fd
--- /dev/null
+++ b/internal/prometheus/prometheus.go
@@ -0,0 +1,50 @@
+package prometheus
+
+import (
+	"net/http"
+
+	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
+)
+
+type Prometheus struct {
+	promRegistry   *prometheus.Registry
+	deploymentInfo *prometheus.GaugeVec
+	fetchCounter   *prometheus.CounterVec
+}
+
+func New() Prometheus {
+	promReg := prometheus.NewRegistry()
+	deploymentInfo := prometheus.NewGaugeVec(prometheus.GaugeOpts{
+		Name: "comin_deployment_info",
+		Help: "Info of the last deployment.",
+	}, []string{"commit_id", "status"})
+	fetchCounter := prometheus.NewCounterVec(prometheus.CounterOpts{
+		Name: "comin_fetch_count",
+		Help: "Number of fetches per status",
+	}, []string{"remote_name", "status"})
+	promReg.MustRegister(deploymentInfo)
+	promReg.MustRegister(fetchCounter)
+	return Prometheus{
+		promRegistry:   promReg,
+		deploymentInfo: deploymentInfo,
+		fetchCounter:   fetchCounter,
+	}
+}
+
+func (m Prometheus) Handler() http.Handler {
+	return promhttp.HandlerFor(
+		m.promRegistry,
+		promhttp.HandlerOpts{
+			EnableOpenMetrics: false,
+		})
+}
+
+func (m Prometheus) IncFetchCounter(remoteName, status string) {
+	m.fetchCounter.With(prometheus.Labels{"remote_name": remoteName, "status": status}).Inc()
+}
+
+func (m Prometheus) SetDeploymentInfo(commitId, status string) {
+	m.deploymentInfo.Reset()
+	m.deploymentInfo.With(prometheus.Labels{"commit_id": commitId, "status": status}).Set(1)
+}
diff --git a/internal/repository/repository.go b/internal/repository/repository.go
index 17c510c..73a5889 100644
--- a/internal/repository/repository.go
+++ b/internal/repository/repository.go
@@ -51,14 +51,12 @@ func (r *repository) FetchAndUpdate(ctx context.Context, remoteName string) (rsC
 }
 
 func (r *repository) Fetch(remoteName string) (err error) {
-	var remotes []types.Remote
 	var found bool
 	r.RepositoryStatus.Error = nil
 	r.RepositoryStatus.ErrorMsg = ""
 	if remoteName != "" {
 		for _, remote := range r.GitConfig.Remotes {
 			if remote.Name == remoteName {
-				remotes = append(remotes, remote)
 				found = true
 			}
 		}
@@ -67,12 +65,15 @@ func (r *repository) Fetch(remoteName string) (err error) {
 			r.RepositoryStatus.ErrorMsg = err.Error()
 			return fmt.Errorf("The remote '%s' doesn't exist", remoteName)
 		}
-	} else {
-		remotes = r.GitConfig.Remotes
 	}
 
-	for _, remote := range remotes {
+	for _, remote := range r.GitConfig.Remotes {
 		repositoryStatusRemote := r.RepositoryStatus.GetRemote(remote.Name)
+		repositoryStatusRemote.LastFetched = false
+		if remoteName != "" && remote.Name != remoteName {
+			continue
+		}
+		repositoryStatusRemote.LastFetched = true
 		if err = fetch(*r, remote); err != nil {
 			repositoryStatusRemote.FetchErrorMsg = err.Error()
 		} else {
diff --git a/internal/repository/repository_status.go b/internal/repository/repository_status.go
index 9371e7a..8ec768b 100644
--- a/internal/repository/repository_status.go
+++ b/internal/repository/repository_status.go
@@ -32,6 +32,9 @@ type Remote struct {
 	Testing       *TestingBranch `json:"testing,omitempty"`
 	FetchedAt     time.Time      `json:"fetched_at,omitempty"`
 	Fetched       bool           `json:"fetched,omitempty"`
+	// Is this remote the last festched one? This is mainly useful
+	// to increase Prometheus counters.b
+	LastFetched bool `json:"last_fetched,omitempty"`
 }
 
 type RepositoryStatus struct {
diff --git a/internal/repository/repository_test.go b/internal/repository/repository_test.go
index 059e20e..88027c3 100644
--- a/internal/repository/repository_test.go
+++ b/internal/repository/repository_test.go
@@ -330,6 +330,11 @@ func TestMultipleRemote(t *testing.T) {
 	assert.Equal(t, "main", r.RepositoryStatus.SelectedBranchName)
 	assert.Equal(t, "r1", r.RepositoryStatus.SelectedRemoteName)
 
+	assert.Equal(t, "r1", r.RepositoryStatus.Remotes[0].Name)
+	assert.False(t, r.RepositoryStatus.Remotes[0].LastFetched)
+	assert.Equal(t, "r2", r.RepositoryStatus.Remotes[1].Name)
+	assert.True(t, r.RepositoryStatus.Remotes[1].LastFetched)
+
 	// Fetch the r1 remote
 	// r1/main: c1 - c2 - c3 - c4 - c5 - c6 - c8 - *c9
 	// r2/main: c1 - c2 - c3 - c4 - c5 - c6
diff --git a/internal/types/types.go b/internal/types/types.go
index ebc131c..91b6a42 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -38,8 +38,8 @@ type Branches struct {
 }
 
 type HttpServer struct {
-	Address string `yaml:"address"`
-	Port    int    `yaml:"port"`
+	ListenAddress string `yaml:"listen_address"`
+	Port          int    `yaml:"port"`
 }
 
 type Configuration struct {
@@ -47,5 +47,6 @@ type Configuration struct {
 	StateDir      string     `yaml:"state_dir"`
 	StateFilepath string     `yaml:"state_filepath"`
 	Remotes       []Remote   `yaml:"remotes"`
-	HttpServer    HttpServer `yaml:"http_server"`
+	ApiServer     HttpServer `yaml:"api_server"`
+	Exporter      HttpServer `yaml:"exporter"`
 }
diff --git a/readme.md b/readme.md
index f58fb92..531aa37 100644
--- a/readme.md
+++ b/readme.md
@@ -11,6 +11,7 @@ configuration associated to the machine.
 - Poll multiple Git remotes to avoid SPOF
 - Support machines migrations
 - Fast iterations with local remotes
+- Observable thanks to exposed Prometheus metrics
 
 ## Quick start