diff --git a/charts/cast-cloud-proxy/templates/deployment.yaml b/charts/cast-cloud-proxy/templates/deployment.yaml
index bc0694b..b4019fd 100644
--- a/charts/cast-cloud-proxy/templates/deployment.yaml
+++ b/charts/cast-cloud-proxy/templates/deployment.yaml
@@ -33,12 +33,25 @@ spec:
             {{- toYaml .Values.securityContext | nindent 12 }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+            - name: GRPC_ENDPOINT
+              value: {{ .Values.config.grpc.endpoint | quote }}
+            - name: GRPC_KEY
+              value: {{ .Values.config.grpc.key | quote }}
+            {{- if .Values.config.gcpCredentials }}
+            - name: GOOGLE_APPLICATION_CREDENTIALS2
+              value: dasd
+            {{- end }}
           livenessProbe:
             {{- toYaml .Values.livenessProbe | nindent 12 }}
           readinessProbe:
             {{- toYaml .Values.readinessProbe | nindent 12 }}
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+          - name: gcp-creds
+            mountPath: "/root/.config/gcloud"
+            readOnly: true
       {{- with .Values.nodeSelector }}
       nodeSelector:
         {{- toYaml . | nindent 8 }}
@@ -51,3 +64,8 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      volumes:
+        - name: gcp-creds
+          secret:
+            secretName: {{ include "cast-cloud-proxy.fullname" . }}-gcp-creds
+            optional: true
diff --git a/charts/cast-cloud-proxy/templates/gcp-credentials-secret.yaml b/charts/cast-cloud-proxy/templates/gcp-credentials-secret.yaml
new file mode 100644
index 0000000..9fafc99
--- /dev/null
+++ b/charts/cast-cloud-proxy/templates/gcp-credentials-secret.yaml
@@ -0,0 +1,11 @@
+{{- if .Values.config.gcpCredentials }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "cast-cloud-proxy.fullname" . }}-gcp-creds
+  labels:
+    {{- include "cast-cloud-proxy.labels" . | nindent 4 }}
+stringData:
+  application_default_credentials.json: | {{ .Values.config.gcpCredentials | nindent 4 }}
+{{- end }}
+
diff --git a/charts/cast-cloud-proxy/values.yaml b/charts/cast-cloud-proxy/values.yaml
index 71d1aac..bedf6b2 100644
--- a/charts/cast-cloud-proxy/values.yaml
+++ b/charts/cast-cloud-proxy/values.yaml
@@ -2,6 +2,12 @@
 # This is a YAML-formatted file.
 # Declare variables to be passed into your templates.
 
+config:
+  gcpCredentials: ""
+  grpc:
+    endpoint: ""
+    key: ""
+
 replicaCount: 1
 
 image:
diff --git a/cmd/proxy/main.go b/cmd/proxy/main.go
index f1a1e50..5ef54c6 100644
--- a/cmd/proxy/main.go
+++ b/cmd/proxy/main.go
@@ -1,76 +1,60 @@
 package main
 
 import (
-	"flag"
-	"log"
+	"fmt"
 	"net/http"
-	"os"
-	"time"
+	"path"
+	"runtime"
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
 
-	"github.com/castai/cloud-proxy/internal/castai/dummy"
+	"github.com/castai/cloud-proxy/internal/config"
 	"github.com/castai/cloud-proxy/internal/gcpauth"
-	"github.com/castai/cloud-proxy/internal/localtest"
 	"github.com/castai/cloud-proxy/internal/proxy"
-)
-
-const (
-	// TODO: Change accordingly for local testing
-
-	projectID   = "engineering-test-353509"
-	location    = "europe-north1-a"
-	testCluster = "lachezar-2708"
+	"github.com/sirupsen/logrus"
 )
 
 var (
-	runSanityTests  = flag.Bool("sanity-checks", false, "run sanity checks that validate auth loading and basic executor function")
-	runMockCastTest = flag.Bool("mockcast", true, "run a test using a mock Cast.AI server")
+	GitCommit = "undefined"
+	GitRef    = "no-ref"
+	Version   = "local"
 )
 
 func main() {
-	flag.Parse()
-
-	if runSanityTests != nil && *runSanityTests {
-		log.Println("run sanity tests is true, starting")
-		go func() {
-			localtest.RunBasicTests(projectID, location, testCluster)
-			localtest.RunProxyTest(projectID, location, testCluster)
-		}()
+	cfg := config.Get()
+
+	logger := logrus.New()
+	logger.SetLevel(logrus.Level(cfg.Log.Level))
+	logger.SetReportCaller(true)
+	logger.Formatter = &logrus.TextFormatter{
+		CallerPrettyfier: func(f *runtime.Frame) (function string, file string) {
+			filename := path.Base(f.File)
+			return fmt.Sprintf("%s()", f.Function), fmt.Sprintf("%s:%d", filename, f.Line)
+		},
 	}
 
-	if runMockCastTest != nil && *runMockCastTest {
-		log.Println("run mockcast tests is true, starting")
-		go func() {
-			log.Println("Starting mock cast instance")
-			mockCast := &dummy.MockCast{}
-			if err := mockCast.Run(); err != nil {
-				log.Panicln("Error running mock Cast:", err)
-			}
-		}()
+	logger.WithFields(logrus.Fields{
+		"GitCommit": GitCommit,
+		"GitRef":    GitRef,
+		"Version":   Version,
+	}).Println("Starting cloud-proxy")
 
-		go func() {
-			loggerClientProxy := log.New(os.Stderr, "[CLUSTER PROXY] ", log.LstdFlags)
-			loggerClientProxy.Println("Starting proxy client")
-			conn, err := grpc.NewClient("localhost:50051", grpc.WithTransportCredentials(insecure.NewCredentials()))
-			if err != nil {
-				loggerClientProxy.Panicf("Failed to connect to server: %v", err)
-			}
-			defer func(conn *grpc.ClientConn) {
-				err := conn.Close()
-				if err != nil {
-					loggerClientProxy.Panicf("Failed to close gRPC connection: %v", err)
-				}
-			}(conn)
-
-			src := gcpauth.GCPCredentialsSource{}
-			executor := proxy.NewExecutor(src, http.DefaultClient)
-			client := proxy.NewClient(executor, loggerClientProxy)
-			client.Run(conn)
-		}()
+	conn, err := grpc.NewClient(cfg.GRPC.Endpoint, grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		logger.Panicf("Failed to connect to server: %v", err)
 	}
 
-	log.Println("Sleeping for 1h, feel free to kill me")
-	time.Sleep(1 * time.Hour)
+	defer func(conn *grpc.ClientConn) {
+		err := conn.Close()
+		if err != nil {
+			logger.Panicf("Failed to close gRPC connection: %v", err)
+		}
+	}(conn)
+
+	src := gcpauth.GCPCredentialsSource{}
+
+	executor := proxy.NewExecutor(src, http.DefaultClient)
+	client := proxy.NewClient(executor, logger)
+	client.Run(conn)
 }
diff --git a/e2e/Dockerfile b/e2e/Dockerfile
new file mode 100644
index 0000000..fa98e3e
--- /dev/null
+++ b/e2e/Dockerfile
@@ -0,0 +1,4 @@
+FROM gcr.io/distroless/static-debian11
+COPY bin/cloud-proxy-e2e /usr/local/bin/cloud-proxy-e2e
+CMD ["cloud-proxy-e2e"]
+
diff --git a/e2e/chart/.helmignore b/e2e/chart/.helmignore
new file mode 100644
index 0000000..0e8a0eb
--- /dev/null
+++ b/e2e/chart/.helmignore
@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
diff --git a/e2e/chart/Chart.yaml b/e2e/chart/Chart.yaml
new file mode 100644
index 0000000..973b09a
--- /dev/null
+++ b/e2e/chart/Chart.yaml
@@ -0,0 +1,24 @@
+apiVersion: v2
+name: cloud-proxy-e2e
+description: A Helm chart for Kubernetes
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "1.16.0"
diff --git a/e2e/chart/templates/_helpers.tpl b/e2e/chart/templates/_helpers.tpl
new file mode 100644
index 0000000..60d16d1
--- /dev/null
+++ b/e2e/chart/templates/_helpers.tpl
@@ -0,0 +1,62 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "e2e.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "e2e.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "e2e.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "e2e.labels" -}}
+helm.sh/chart: {{ include "e2e.chart" . }}
+{{ include "e2e.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "e2e.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "e2e.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "e2e.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "e2e.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
diff --git a/e2e/chart/templates/job.yaml b/e2e/chart/templates/job.yaml
new file mode 100644
index 0000000..9926711
--- /dev/null
+++ b/e2e/chart/templates/job.yaml
@@ -0,0 +1,21 @@
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ include "e2e.fullname" . }}
+  labels:
+    {{- include "e2e.labels" . | nindent 4}}
+spec:
+  template:
+    metadata:
+      labels:
+        {{- include "e2e.selectorLabels" . | nindent 8 }}
+    spec:
+      restartPolicy: Never
+      containers:
+      - image: {{ .Values.image.repository }}:{{ .Values.image.tag }}
+        imagePullPolicy: Never
+        name: {{ .Chart.Name }}
+        ports:
+          - containerPort: 50051
+            name: grpc
+
diff --git a/e2e/chart/templates/service.yaml b/e2e/chart/templates/service.yaml
new file mode 100644
index 0000000..dc82ef8
--- /dev/null
+++ b/e2e/chart/templates/service.yaml
@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "e2e.fullname" . }}
+  labels:
+    {{- include "e2e.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+    - port: 50051
+      targetPort: grpc
+      protocol: TCP
+      name: grpc
+  selector:
+    {{- include "e2e.selectorLabels" . | nindent 4 }}
diff --git a/e2e/chart/values.yaml b/e2e/chart/values.yaml
new file mode 100644
index 0000000..beb389b
--- /dev/null
+++ b/e2e/chart/values.yaml
@@ -0,0 +1,5 @@
+image:
+  repository: cloud-proxy-e2e
+  pullPolicy: IfNotPresent
+  tag: ""
+
diff --git a/e2e/main.go b/e2e/main.go
new file mode 100644
index 0000000..9d55b5b
--- /dev/null
+++ b/e2e/main.go
@@ -0,0 +1,15 @@
+package main
+
+import (
+	"log"
+
+	"github.com/castai/cloud-proxy/internal/castai/dummy"
+)
+
+func main() {
+	log.Println("Starting mock cast instance")
+	mockCast := &dummy.MockCast{}
+	if err := mockCast.Run(); err != nil {
+		log.Panicln("Error running mock Cast:", err)
+	}
+}
diff --git a/e2e/run.sh b/e2e/run.sh
new file mode 100755
index 0000000..b77eb5b
--- /dev/null
+++ b/e2e/run.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+
+set -eEu
+
+CLUSTER_NAME=cloud-proxy-e2e
+IMAGE_TAG=$RANDOM
+
+kind::ensure() {
+	if ! kind export kubeconfig --name "${CLUSTER_NAME}"; then
+		kind create cluster --name "${CLUSTER_NAME}"
+	fi
+}
+
+kind::load_images() {
+	kind load docker-image --name "${CLUSTER_NAME}" cloud-proxy:$IMAGE_TAG
+	kind load docker-image --name "${CLUSTER_NAME}" cloud-proxy-e2e:$IMAGE_TAG
+
+}
+
+cloud_proxy::build_image() {
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "-s -w" -o bin/castai-cloud-proxy-amd64 ./cmd/proxy
+	docker build -t cloud-proxy:$IMAGE_TAG .
+}
+
+cloud_proxy::helm_install() {
+	helm upgrade --install --wait \
+		--set image.repository=cloud-proxy \
+		--set image.tag=$IMAGE_TAG \
+		--set config.grpc.endpoint=cloud-proxy-e2e:50051 \
+		--set config.grpc.key=test \
+		--set-file config.gcpCredentials="${GCP_CREDENTIALS}" \
+		cast-cloud-proxy ./charts/cast-cloud-proxy
+}
+
+e2e::build_image() {
+	CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags "-s -w" -o bin/cloud-proxy-e2e ./e2e
+	docker build -t cloud-proxy-e2e:$IMAGE_TAG -f ./e2e/Dockerfile .
+}
+
+e2e::helm_install() {
+	helm upgrade --install --wait \
+		--set image.tag=$IMAGE_TAG \
+		cloud-proxy-e2e ./e2e/chart
+}
+
+e2e::helm_uninstall() {
+	helm delete cloud-proxy-e2e
+}
+
+main() {
+	[[ -z "${GCP_CREDENTIALS:-}" ]] && echo "Missing GCP_CREDENTIALS" && exit 1
+
+	kind::ensure
+	cloud_proxy::build_image
+	e2e::build_image
+	kind::load_images
+	cloud_proxy::helm_install
+	e2e::helm_install
+
+	#e2e::helm_uninstall
+}
+
+main $@
diff --git a/go.mod b/go.mod
index 6dcdbd4..55a1ef5 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,8 @@ require (
 	cloud.google.com/go/container v1.39.0
 	github.com/google/uuid v1.6.0
 	github.com/googleapis/gax-go/v2 v2.13.0
+	github.com/sirupsen/logrus v1.9.3
+	github.com/spf13/viper v1.19.0
 	golang.org/x/oauth2 v0.22.0
 	golang.org/x/sync v0.8.0
 	google.golang.org/api v0.193.0
@@ -18,22 +20,39 @@ require (
 	cloud.google.com/go/auth/oauth2adapt v0.2.4 // indirect
 	cloud.google.com/go/compute/metadata v0.5.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/google/s2a-go v0.1.8 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.3.2 // indirect
+	github.com/hashicorp/hcl v1.0.0 // indirect
+	github.com/magiconair/properties v1.8.7 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/sagikazarmark/locafero v0.4.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.11.0 // indirect
+	github.com/spf13/cast v1.6.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
 	go.opencensus.io v0.24.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.52.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.53.0 // indirect
 	go.opentelemetry.io/otel v1.28.0 // indirect
 	go.opentelemetry.io/otel/metric v1.28.0 // indirect
 	go.opentelemetry.io/otel/trace v1.28.0 // indirect
+	go.uber.org/atomic v1.9.0 // indirect
+	go.uber.org/multierr v1.9.0 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sys v0.24.0 // indirect
 	golang.org/x/text v0.17.0 // indirect
 	golang.org/x/time v0.6.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240814211410-ddb44dafa142 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240814211410-ddb44dafa142 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
diff --git a/go.sum b/go.sum
index 43555c7..0edce92 100644
--- a/go.sum
+++ b/go.sum
@@ -14,14 +14,19 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1mIlRU8Am5FuJP05cCM98=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
+github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
 github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
@@ -60,17 +65,54 @@ github.com/googleapis/enterprise-certificate-proxy v0.3.2 h1:Vie5ybvEvT75RniqhfF
 github.com/googleapis/enterprise-certificate-proxy v0.3.2/go.mod h1:VLSiSSBs/ksPL8kq3OBOQ6WRI2QnaFynd1DCjZ62+V0=
 github.com/googleapis/gax-go/v2 v2.13.0 h1:yitjD5f7jQHhyDsnhKEBU52NdvvdSeGzlAnDPT0hH1s=
 github.com/googleapis/gax-go/v2 v2.13.0/go.mod h1:Z/fvTZXF8/uw7Xu5GuslPw+bplx6SS338j1Is2S+B7A=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/hashicorp/hcl v1.0.0 h1:0Anlzjpi4vEasTeNFn2mLJgTSwt0+6sfsiTG8qcWGx4=
+github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
+github.com/magiconair/properties v1.8.7 h1:IeQXZAiQcpL9mgcAe1Nu6cX9LLw6ExEHKjN0VQdvPDY=
+github.com/magiconair/properties v1.8.7/go.mod h1:Dhd985XPs7jluiymwWYZ0G4Z61jb3vdS329zhj2hYo0=
+github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
+github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/pelletier/go-toml/v2 v2.2.2 h1:aYUidT7k73Pcl9nb2gScu7NSrKCSHIDE89b3+6Wq+LM=
+github.com/pelletier/go-toml/v2 v2.2.2/go.mod h1:1t835xjRzz80PqgE6HHgN2JOsmgYu/h4qDAS4n929Rs=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
+github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
+github.com/sagikazarmark/locafero v0.4.0 h1:HApY1R9zGo4DBgr7dqsTH/JJxLTTsOt7u6keLGt6kNQ=
+github.com/sagikazarmark/locafero v0.4.0/go.mod h1:Pe1W6UlPYUk/+wc/6KFhbORCfqzgYEpgQ3O5fPuL3H4=
+github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6gto+ugjYE=
+github.com/sagikazarmark/slog-shim v0.1.0/go.mod h1:SrcSrq8aKtyuqEI1uvTDTK1arOWRIczQRv+GVI1AkeQ=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/sourcegraph/conc v0.3.0 h1:OQTbbt6P72L20UqAkXXuLOj79LfEanQ+YQFNpLA9ySo=
+github.com/sourcegraph/conc v0.3.0/go.mod h1:Sdozi7LEKbFPqYX2/J+iBAM6HpqSLTASQIKqDmF7Mt0=
+github.com/spf13/afero v1.11.0 h1:WJQKhtpdm3v2IzqG8VMqrr6Rf3UYpEF239Jy9wNepM8=
+github.com/spf13/afero v1.11.0/go.mod h1:GH9Y3pIexgf1MTIWtNGyogA5MwRIDXGUr+hbWNoBjkY=
+github.com/spf13/cast v1.6.0 h1:GEiTHELF+vaR5dhz3VqZfFSzZjYbgeKDpBxQVS4GYJ0=
+github.com/spf13/cast v1.6.0/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/viper v1.19.0 h1:RWq5SEjt8o25SROyN3z2OrDB9l7RPd3lwTWU8EcEdcI=
+github.com/spf13/viper v1.19.0/go.mod h1:GQUN9bilAbhU/jgc1bKs99f/suXKeUMct8Adx5+Ntkg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/subosito/gotenv v1.6.0 h1:9NlTDc1FTs4qu0DDq7AEtTPNw6SVm7uBMsUCUjABIf8=
+github.com/subosito/gotenv v1.6.0/go.mod h1:Dk4QP5c2W3ibzajGcXpNraDfq2IrhjMIvMSWPKKo0FU=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.52.0 h1:vS1Ao/R55RNV4O7TA2Qopok8yN+X0LIP6RVWLFkprck=
@@ -85,11 +127,17 @@ go.opentelemetry.io/otel/sdk v1.28.0 h1:b9d7hIry8yZsgtbmM0DKyPWMMUMlK9NEKuIG4aBq
 go.opentelemetry.io/otel/sdk v1.28.0/go.mod h1:oYj7ClPUA7Iw3m+r7GeEjz0qckQRJK2B8zjcZEfu7Pg=
 go.opentelemetry.io/otel/trace v1.28.0 h1:GhQ9cUuQGmNDd5BTCP2dAvv75RdMxEfTmYejp+lkx9g=
 go.opentelemetry.io/otel/trace v1.28.0/go.mod h1:jPyXzNPg6da9+38HEwElrQiHlVMTnVfM3/yv2OlIHaI=
+go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
+go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
+go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.26.0 h1:RrRspgV4mU+YwB4FYnuBoKsUapNIL5cohGAmSH3azsw=
 golang.org/x/crypto v0.26.0/go.mod h1:GY7jblb9wI+FOo5y8/S2oY4zWP07AkOJ4+jxCqdqn54=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
+golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
@@ -113,6 +161,7 @@ golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
 golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -157,6 +206,10 @@ google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlba
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
+gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/internal/castai/dummy/mock_cast.go b/internal/castai/dummy/mock_cast.go
index 2c8b93c..bc65111 100644
--- a/internal/castai/dummy/mock_cast.go
+++ b/internal/castai/dummy/mock_cast.go
@@ -19,7 +19,6 @@ import (
 //   - "dispatcher" that uses proxy to send requests
 //   - "client" that does GCP cloud calls
 type MockCast struct {
-	proxyServer *MockCastServer
 }
 
 func (mc *MockCast) Run() error {
diff --git a/internal/config/config.go b/internal/config/config.go
new file mode 100644
index 0000000..1f4f688
--- /dev/null
+++ b/internal/config/config.go
@@ -0,0 +1,57 @@
+package config
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/viper"
+)
+
+type Config struct {
+	GRPC GRPC
+	Log  Log
+}
+
+type GRPC struct {
+	Endpoint string
+	Key      string
+}
+
+type Log struct {
+	Level int
+}
+
+var cfg *Config = nil
+
+func Get() Config {
+	if cfg != nil {
+		return *cfg
+	}
+
+	_ = viper.BindEnv("grpc.endpoint", "GRPC_ENDPOINT")
+	_ = viper.BindEnv("grpc.key", "GRPC_KEY")
+	_ = viper.BindEnv("log.level", "LOG_LEVEL")
+
+	cfg = &Config{}
+	if err := viper.Unmarshal(cfg); err != nil {
+		panic(fmt.Errorf("while parsing config: %w", err))
+	}
+
+	if cfg.GRPC.Endpoint == "" {
+		required("GRPC_ENDPOINT")
+	}
+
+	if cfg.GRPC.Key == "" {
+		required("GRPC_KEY")
+	}
+
+	if cfg.Log.Level == 0 {
+		cfg.Log.Level = int(logrus.InfoLevel)
+	}
+
+	return *cfg
+}
+
+func required(variable string) {
+	panic(fmt.Errorf("variable %s is required", variable))
+}
diff --git a/internal/proxy/proxy_client.go b/internal/proxy/proxy_client.go
index 07b8630..f553728 100644
--- a/internal/proxy/proxy_client.go
+++ b/internal/proxy/proxy_client.go
@@ -3,21 +3,21 @@ package proxy
 import (
 	"context"
 	"io"
-	"log"
 	"time"
 
 	"google.golang.org/grpc"
 
 	"github.com/castai/cloud-proxy/internal/castai/proto"
+	"github.com/sirupsen/logrus"
 )
 
 type Client struct {
 	executor *Executor
 
-	logger *log.Logger
+	logger *logrus.Logger
 }
 
-func NewClient(executor *Executor, logger *log.Logger) *Client {
+func NewClient(executor *Executor, logger *logrus.Logger) *Client {
 	return &Client{executor: executor, logger: logger}
 }