diff --git a/internal/controller/reconcilers/configmap_reconciler.go b/internal/controller/reconcilers/configmap_reconciler.go
new file mode 100644
index 0000000..7b96fb1
--- /dev/null
+++ b/internal/controller/reconcilers/configmap_reconciler.go
@@ -0,0 +1,99 @@
+package reconcilers
+
+import (
+	_ "embed"
+
+	"context"
+	cachev1alpha1 "github.com/tomp21/yazio-challenge/api/v1alpha1"
+	"github.com/tomp21/yazio-challenge/internal/util"
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+)
+
+//go:embed configmaps/scripts/start-master.sh
+var masterStartScript string
+
+//go:embed configmaps/scripts/start-replica.sh
+var replicaStartScript string
+
+//go:embed configmaps/conf/redis.conf
+var redisAllConf string
+
+//go:embed configmaps/conf/master.conf
+var redisMasterConf string
+
+//go:embed configmaps/conf/replica.conf
+var redisReplicaConf string
+
+type ConfigMapReconciler struct {
+	client *client.Client
+	scheme *runtime.Scheme
+}
+
+func NewConfigMapReconciler(client *client.Client, scheme *runtime.Scheme) *ConfigMapReconciler {
+	return &ConfigMapReconciler{
+		client: client,
+		scheme: scheme,
+	}
+}
+
+func (r *ConfigMapReconciler) Reconcile(ctx context.Context, redis *cachev1alpha1.Redis) error {
+	err := r.ReconcileStartScripts(ctx, redis)
+	if err != nil {
+		return err
+	}
+	err = r.ReconcileConfigs(ctx, redis)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *ConfigMapReconciler) ReconcileStartScripts(ctx context.Context, redis *cachev1alpha1.Redis) error {
+	cmStartScripts := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "start-scripts",
+			Namespace: redis.Namespace,
+			Labels:    util.GetLabels(redis, nil),
+		},
+		Data: map[string]string{
+			"start-master.sh":  masterStartScript,
+			"start-replica.sh": replicaStartScript,
+		},
+	}
+	_, err := controllerutil.CreateOrUpdate(ctx, *r.client, cmStartScripts, func() error {
+		return controllerutil.SetControllerReference(redis, cmStartScripts, r.scheme)
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *ConfigMapReconciler) ReconcileConfigs(ctx context.Context, redis *cachev1alpha1.Redis) error {
+	cmConfig := &corev1.ConfigMap{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "redis-conf",
+			Namespace: redis.Namespace,
+			Labels:    util.GetLabels(redis, nil),
+		},
+		Data: map[string]string{
+			"redis.conf":   redisAllConf,
+			"master.conf":  redisMasterConf,
+			"replica.conf": redisReplicaConf,
+		},
+	}
+
+	_, err := controllerutil.CreateOrUpdate(ctx, *r.client, cmConfig, func() error {
+		return controllerutil.SetControllerReference(redis, cmConfig, r.scheme)
+	})
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/internal/controller/reconcilers/configmaps/conf/master.conf b/internal/controller/reconcilers/configmaps/conf/master.conf
new file mode 100644
index 0000000..ea7639e
--- /dev/null
+++ b/internal/controller/reconcilers/configmaps/conf/master.conf
@@ -0,0 +1,5 @@
+dir /data
+# User-supplied master configuration:
+rename-command FLUSHDB ""
+rename-command FLUSHALL ""
+# End of master configuration
diff --git a/internal/controller/reconcilers/configmaps/conf/redis.conf b/internal/controller/reconcilers/configmaps/conf/redis.conf
new file mode 100644
index 0000000..62f1ed6
--- /dev/null
+++ b/internal/controller/reconcilers/configmaps/conf/redis.conf
@@ -0,0 +1,6 @@
+# User-supplied common configuration:
+# Enable AOF https://redis.io/topics/persistence#append-only-file
+appendonly yes
+# Disable RDB persistence, AOF persistence already enabled.
+save ""
+# End of common configuration
diff --git a/internal/controller/reconcilers/configmaps/conf/replica.conf b/internal/controller/reconcilers/configmaps/conf/replica.conf
new file mode 100644
index 0000000..e69de29
diff --git a/internal/controller/reconcilers/configmaps/scripts/start-master.sh b/internal/controller/reconcilers/configmaps/scripts/start-master.sh
new file mode 100644
index 0000000..4284839
--- /dev/null
+++ b/internal/controller/reconcilers/configmaps/scripts/start-master.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+[[ -f $REDIS_PASSWORD_FILE ]] && export REDIS_PASSWORD="$(< "${REDIS_PASSWORD_FILE}")"
+if [[ -f /opt/bitnami/redis/mounted-etc/master.conf ]];then
+    cp /opt/bitnami/redis/mounted-etc/master.conf /opt/bitnami/redis/etc/master.conf
+fi
+if [[ -f /opt/bitnami/redis/mounted-etc/redis.conf ]];then
+    cp /opt/bitnami/redis/mounted-etc/redis.conf /opt/bitnami/redis/etc/redis.conf
+fi
+ARGS=("--port" "${REDIS_PORT}")
+ARGS+=("--requirepass" "${REDIS_PASSWORD}")
+ARGS+=("--masterauth" "${REDIS_PASSWORD}")
+ARGS+=("--include" "/opt/bitnami/redis/etc/redis.conf")
+ARGS+=("--include" "/opt/bitnami/redis/etc/master.conf")
+exec redis-server "${ARGS[@]}"
diff --git a/internal/controller/reconcilers/configmaps/scripts/start-replica.sh b/internal/controller/reconcilers/configmaps/scripts/start-replica.sh
new file mode 100644
index 0000000..4ba65e4
--- /dev/null
+++ b/internal/controller/reconcilers/configmaps/scripts/start-replica.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+get_port() {
+    hostname="$1"
+    type="$2"
+
+    port_var=$(echo "${hostname^^}_SERVICE_PORT_$type" | sed "s/-/_/g")
+    port=${!port_var}
+
+    if [ -z "$port" ]; then
+        case $type in
+            "SENTINEL")
+                echo 26379
+                ;;
+            "REDIS")
+                echo 6379
+                ;;
+        esac
+    else
+        echo $port
+    fi
+}
+
+get_full_hostname() {
+    hostname="$1"
+    full_hostname="${hostname}.${HEADLESS_SERVICE}"
+    echo "${full_hostname}"
+}
+
+REDISPORT=$(get_port "$HOSTNAME" "REDIS")
+
+[[ -f $REDIS_PASSWORD_FILE ]] && export REDIS_PASSWORD="$(< "${REDIS_PASSWORD_FILE}")"
+[[ -f $REDIS_MASTER_PASSWORD_FILE ]] && export REDIS_MASTER_PASSWORD="$(< "${REDIS_MASTER_PASSWORD_FILE}")"
+if [[ -f /opt/bitnami/redis/mounted-etc/replica.conf ]];then
+    cp /opt/bitnami/redis/mounted-etc/replica.conf /opt/bitnami/redis/etc/replica.conf
+fi
+if [[ -f /opt/bitnami/redis/mounted-etc/redis.conf ]];then
+    cp /opt/bitnami/redis/mounted-etc/redis.conf /opt/bitnami/redis/etc/redis.conf
+fi
+
+echo "" >> /opt/bitnami/redis/etc/replica.conf
+echo "replica-announce-port $REDISPORT" >> /opt/bitnami/redis/etc/replica.conf
+echo "replica-announce-ip $(get_full_hostname "$HOSTNAME")" >> /opt/bitnami/redis/etc/replica.conf
+ARGS=("--port" "${REDIS_PORT}")
+ARGS+=("--replicaof" "${REDIS_MASTER_HOST}" "${REDIS_MASTER_PORT_NUMBER}")
+ARGS+=("--requirepass" "${REDIS_PASSWORD}")
+ARGS+=("--masterauth" "${REDIS_MASTER_PASSWORD}")
+ARGS+=("--include" "/opt/bitnami/redis/etc/redis.conf")
+ARGS+=("--include" "/opt/bitnami/redis/etc/replica.conf")
+exec redis-server "${ARGS[@]}"