diff --git a/.github/workflows/mainnet-deploy-to-vms.yaml b/.github/workflows/mainnet-deploy-to-vms.yaml
index bc1b7a470..110121fef 100644
--- a/.github/workflows/mainnet-deploy-to-vms.yaml
+++ b/.github/workflows/mainnet-deploy-to-vms.yaml
@@ -25,17 +25,17 @@ jobs:
         shell: bash
         run: |
           echo "TAG=${{ github.event.client_payload.tag }}" > .env && \
-          echo "${{ secrets.ENV_READ_ONLY }}" >> .env
+          echo '${{ secrets.ENV_READ_ONLY }}' >> .env
 
       - name: Export application config
         shell: bash
         run: |
-          echo "${{ secrets.APP_MAINNET_DAVE_CONFIG }}" > ./node.yml && \
-          echo "${{ secrets.APP_MAINNET_BRIDGE_CONFIG }}" > ./bridge.yml && \
-          echo "${{ secrets.APP_MAINNET_ALERT_CONFIG }}" > ./monitoring/alertmanager/config.yml && \
-          echo "${{ secrets.APP_MAINNET_GRAFANA_CONFIG_ENV }}" > ./monitoring/grafana/config-overrides.env && \
-          echo "${{ secrets.APP_MAINNET_PROMETHEUS_CONFIG }}" > ./monitoring/prometheus/prometheus.yml && \
-          echo "${{ secrets.APP_MAINNET_PROMETHEUS_RULES_CONFIG }}" > ./monitoring/prometheus/rules.yml
+          echo '${{ secrets.APP_MAINNET_DAVE_CONFIG }}' > ./node.yml && \
+          echo '${{ secrets.APP_MAINNET_BRIDGE_CONFIG }}' > ./bridge.yml && \
+          echo '${{ secrets.APP_MAINNET_ALERT_CONFIG }}' > ./monitoring/alertmanager/config.yml && \
+          echo '${{ secrets.APP_MAINNET_GRAFANA_CONFIG_ENV }}' > ./monitoring/grafana/config-overrides.env && \
+          echo '${{ secrets.APP_MAINNET_PROMETHEUS_CONFIG }}' > ./monitoring/prometheus/prometheus.yml && \
+          echo '${{ secrets.APP_MAINNET_PROMETHEUS_RULES_CONFIG }}' > ./monitoring/prometheus/rules.yml
 
       - name: Copy files
         run: |
diff --git a/.github/workflows/testnet-deploy-to-vms.yaml b/.github/workflows/testnet-deploy-to-vms.yaml
index 2d1ef40d4..ca284e025 100644
--- a/.github/workflows/testnet-deploy-to-vms.yaml
+++ b/.github/workflows/testnet-deploy-to-vms.yaml
@@ -24,14 +24,14 @@ jobs:
       - name: Export docker .env
         shell: bash
         run: |
-          echo "TAG=${{ github.event.client_payload.tag }}" > .env && \
-          echo "${{ secrets.ENV_TESTNET }}" >> .env
+          echo 'TAG=${{ github.event.client_payload.tag }}' > .env && \
+          echo '${{ secrets.ENV_TESTNET }}' >> .env
 
       - name: Export application config
         shell: bash
         run: |
-          echo "${{ secrets.APP_TESTNET_ALICE_CONFIG }}" > ./node.yml && \
-          echo "${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}" > ./bridge.yml
+          echo '${{ secrets.APP_TESTNET_ALICE_CONFIG }}' > ./node.yml && \
+          echo '${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}' > ./bridge.yml
 
       - name: Copy files
         run: |
@@ -58,14 +58,14 @@ jobs:
       - name: Export docker .env
         shell: bash
         run: |
-          echo "TAG=${{ github.event.client_payload.tag }}" > .env && \
-          echo "${{ secrets.ENV_TESTNET }}" >> .env
+          echo 'TAG=${{ github.event.client_payload.tag }}' > .env && \
+          echo '${{ secrets.ENV_TESTNET }}' >> .env
 
       - name: Export application config
         shell: bash
         run: |
-          echo "${{ secrets.APP_TESTNET_BOB_CONFIG }}" > ./node.yml && \
-          echo "${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}" > ./bridge.yml
+          echo '${{ secrets.APP_TESTNET_BOB_CONFIG }}' > ./node.yml && \
+          echo '${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}' > ./bridge.yml
 
       - name: Copy files
         run: |
@@ -92,14 +92,14 @@ jobs:
       - name: Export docker .env
         shell: bash
         run: |
-          echo "TAG=${{ github.event.client_payload.tag }}" > .env && \
-          echo "${{ secrets.ENV_TESTNET }}" >> .env
+          echo 'TAG=${{ github.event.client_payload.tag }}' > .env && \
+          echo '${{ secrets.ENV_TESTNET }}' >> .env
 
       - name: Export application config
         shell: bash
         run: |
-          echo "${{ secrets.APP_TESTNET_CAROL_CONFIG }}" > ./node.yml && \
-          echo "${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}" > ./bridge.yml
+          echo '${{ secrets.APP_TESTNET_CAROL_CONFIG }}' > ./node.yml && \
+          echo '${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}' > ./bridge.yml
 
       - name: Copy files
         run: |
@@ -126,18 +126,18 @@ jobs:
       - name: Export docker .env
         shell: bash
         run: |
-          echo "TAG=${{ github.event.client_payload.tag }}" > .env && \
-          echo "${{ secrets.ENV_TESTNET }}" >> .env
+          echo 'TAG=${{ github.event.client_payload.tag }}' > .env && \
+          echo '${{ secrets.ENV_TESTNET }}' >> .env
 
       - name: Export application config
         shell: bash
         run: |
-          echo "${{ secrets.APP_TESTNET_DAVE_CONFIG }}" > ./node.yml && \
-          echo "${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}" > ./bridge.yml && \
-          echo "${{ secrets.APP_TESTNET_ALERT_CONFIG }}" > ./monitoring/alertmanager/config.yml && \
-          echo "${{ secrets.APP_TESTNET_GRAFANA_CONFIG_ENV }}" > ./monitoring/grafana/config-overrides.env && \
-          echo "${{ secrets.APP_TESTNET_PROMETHEUS_CONFIG }}" > ./monitoring/prometheus/prometheus.yml && \
-          echo "${{ secrets.APP_TESTNET_PROMETHEUS_RULES_CONFIG }}" > ./monitoring/prometheus/rules.yml
+          echo '${{ secrets.APP_TESTNET_DAVE_CONFIG }}' > ./node.yml && \
+          echo '${{ secrets.APP_TESTNET_BRIDGE_CONFIG }}' > ./bridge.yml && \
+          echo '${{ secrets.APP_TESTNET_ALERT_CONFIG }}' > ./monitoring/alertmanager/config.yml && \
+          echo '${{ secrets.APP_TESTNET_GRAFANA_CONFIG_ENV }}' > ./monitoring/grafana/config-overrides.env && \
+          echo '${{ secrets.APP_TESTNET_PROMETHEUS_CONFIG }}' > ./monitoring/prometheus/prometheus.yml && \
+          echo '${{ secrets.APP_TESTNET_PROMETHEUS_RULES_CONFIG }}' > ./monitoring/prometheus/rules.yml
 
       - name: Copy files
         run: |
diff --git a/examples/three-validators/monitoring/prometheus/rules.yml b/examples/three-validators/monitoring/prometheus/rules.yml
index a8030e56f..d0b9912b3 100644
--- a/examples/three-validators/monitoring/prometheus/rules.yml
+++ b/examples/three-validators/monitoring/prometheus/rules.yml
@@ -7,8 +7,8 @@
 #        for: 1m
 #        # Labels - additional labels to be attached to the alert
 #        labels:
-#          severity: 'minor'
-#          group: 'account_amounts'
+#          severity: "minor"
+#          group: "account_amounts"
 #        annotations:
 #          description: "Fee account amount: {{ $value }} HBAR"
 #
@@ -18,8 +18,8 @@
 #        for: 1m
 #        # Labels - additional labels to be attached to the alert
 #        labels:
-#          severity: 'minor'
-#          group: 'account_amounts'
+#          severity: "minor"
+#          group: "account_amounts"
 #        annotations:
 #          description: "Operator account amount: {{ $value }} HBAR"
 #
@@ -31,8 +31,40 @@
 #        for: 1m
 #        # Labels - additional labels to be attached to the alert
 #        labels:
-#          severity: 'critical'
-#          group: 'validators'
-#          repeat_interval: 'long'
+#          severity: "critical"
+#          group: "validators"
+#          repeat_interval: "long"
 #        annotations:
-#          description: "Participation Rate: {{ $value }} %"
\ No newline at end of file
+#          description: "Participation Rate: {{ $value }} %"
+#      # Rules for health checking. Should be set according to validators count
+#      - alert: HealthyValidatorsMinor
+#        # Condition for alerting
+#        expr: count_validators_alive < 3
+#        for: 1m
+#        # Labels - additional labels to be attached to the alert
+#        labels:
+#          severity: "minor"
+#          group: "validators"
+#        annotations:
+#          description: "Healthy validators: {{ $value }}"
+#      - alert: HealthyValidatorsWarning
+#        # Condition for alerting
+#        expr: count_validators_alive < 2
+#        for: 1m
+#        # Labels - additional labels to be attached to the alert
+#        labels:
+#          severity: "warning"
+#          group: "validators"
+#        annotations:
+#          description: "Healthy validators: {{ $value }}"
+#      - alert: HealthyValidatorsCritical
+#        # Condition for alerting
+#        expr: count_validators_alive < 1
+#        for: 1m
+#        # Labels - additional labels to be attached to the alert
+#        labels:
+#          severity: "critical"
+#          group: "validators"
+#          repeat_interval: "long"
+#        annotations:
+#          description: "Healthy validators: {{ $value }}"
diff --git a/monitoring/prometheus/rules.yml b/monitoring/prometheus/rules.yml
index 5e013f41f..be426719f 100644
--- a/monitoring/prometheus/rules.yml
+++ b/monitoring/prometheus/rules.yml
@@ -7,10 +7,10 @@
 #        for: 1m
 #        # Labels - additional labels to be attached to the alert
 #        labels:
-#          severity: 'minor'
-#          group: 'account_amounts'
+#          severity: "minor"
+#          group: "account_amounts"
 #        annotations:
-#          description: 'Fee account amount: {{ $value }} HBAR'
+#          description: "Fee account amount: {{ $value }} HBAR"
 #
 #      - alert: LowOperatorAccountAmount
 #        # Condition for alerting
@@ -18,10 +18,10 @@
 #        for: 1m
 #        # Labels - additional labels to be attached to the alert
 #        labels:
-#          severity: 'minor'
-#          group: 'account_amounts'
+#          severity: "minor"
+#          group: "account_amounts"
 #        annotations:
-#          description: 'Operator account amount: {{ $value }} HBAR'
+#          description: "Operator account amount: {{ $value }} HBAR"
 #
 #  - name: validators
 #    rules:
@@ -31,8 +31,40 @@
 #        for: 1m
 #        # Labels - additional labels to be attached to the alert
 #        labels:
-#          severity: 'critical'
-#          group: 'validators'
-#          repeat_interval: 'long'
+#          severity: "critical"
+#          group: "validators"
+#          repeat_interval: "long"
 #        annotations:
-#          description: 'Participation Rate: {{ $value }} %'
\ No newline at end of file
+#          description: "Participation Rate: {{ $value }} %"
+#      # Rules for health checking. Should be set according to validators count
+#      - alert: HealthyValidatorsMinor
+#        # Condition for alerting
+#        expr: count_validators_alive < 9
+#        for: 1m
+#        # Labels - additional labels to be attached to the alert
+#        labels:
+#          severity: "minor"
+#          group: "validators"
+#        annotations:
+#          description: "Healthy validators: {{ $value }}"
+#      - alert: HealthyValidatorsWarning
+#        # Condition for alerting
+#        expr: count_validators_alive < 7
+#        for: 1m
+#        # Labels - additional labels to be attached to the alert
+#        labels:
+#          severity: "warning"
+#          group: "validators"
+#        annotations:
+#          description: "Healthy validators: {{ $value }}"
+#      - alert: HealthyValidatorsCritical
+#        # Condition for alerting
+#        expr: count_validators_alive < 5
+#        for: 1m
+#        # Labels - additional labels to be attached to the alert
+#        labels:
+#          severity: "critical"
+#          group: "validators"
+#          repeat_interval: "long"
+#        annotations:
+#          description: "Healthy validators: {{ $value }}"