diff --git a/.github/workflows/push-to-ecr.yaml b/.github/workflows/push-to-ecr.yaml
new file mode 100644
index 0000000..1f83ef6
--- /dev/null
+++ b/.github/workflows/push-to-ecr.yaml
@@ -0,0 +1,40 @@
+name: Push to Amazon ECR
+
+on: workflow_dispatch
+
+env:
+  AWS_REGION: ${{ vars.AWS_REGION }}                   # set this to your preferred AWS region, e.g. us-west-1
+  ECR_REPOSITORY: ${{ vars.ECR_REPOSITORY }}           # set this to your Amazon ECR repository name
+
+jobs:
+  push-deploy:
+    name: Push and Deploy
+    runs-on: ubuntu-latest
+    environment: dev
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@0e613a0980cbf65ed5b322eb7a1e075d28913a83
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ env.AWS_REGION }}
+
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@62f4f872db3836360b72999f4b87f1ff13310f3a
+
+      - name: Build, tag, and push image to Amazon ECR
+        id: build-image
+        env:
+          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+          IMAGE_TAG: latest
+        run: |
+          # Build a docker container and
+          # push it to ECR
+          docker build -t $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG -f Dockerfile-demo .
+          docker push $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
+          echo "image=$ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG" >> $GITHUB_OUTPUT
diff --git a/.github/workflows/run-tx-tool.yaml b/.github/workflows/run-tx-tool.yaml
new file mode 100644
index 0000000..80ebcf0
--- /dev/null
+++ b/.github/workflows/run-tx-tool.yaml
@@ -0,0 +1,57 @@
+name: Run tx-tool from ECR
+
+on:
+  workflow_dispatch:
+    inputs:
+      zcash_node_address:
+        description: "Zcash node address"
+        required: false
+        default: "127.0.0.1"
+      zcash_node_port:
+        description: "Zcash node port"
+        required: false
+        default: "18232"
+      zcash_node_protocol:
+        description: "Zcash node protocol"
+        required: false
+        default: "http"
+
+env:
+  AWS_REGION: ${{ vars.AWS_REGION }}
+  ECR_REPOSITORY: ${{ vars.ECR_REPOSITORY }}
+
+jobs:
+  run-container:
+    name: Run Container from ECR
+    runs-on: ubuntu-latest
+    environment: dev
+
+    steps:
+      - name: Configure AWS credentials
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws-region: ${{ env.AWS_REGION }}
+
+      - name: Login to Amazon ECR
+        id: login-ecr
+        uses: aws-actions/amazon-ecr-login@v1
+
+      - name: Pull Docker image from ECR
+        env:
+          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+          IMAGE_TAG: latest
+        run: |
+          docker pull $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
+
+      - name: Run Docker container
+        env:
+          ECR_REGISTRY: ${{ steps.login-ecr.outputs.registry }}
+          IMAGE_TAG: latest
+        run: |
+          docker run \
+            -e ZCASH_NODE_ADDRESS="${{ github.event.inputs.zcash_node_address }}" \
+            -e ZCASH_NODE_PORT="${{ github.event.inputs.zcash_node_port }}" \
+            -e ZCASH_NODE_PROTOCOL="${{ github.event.inputs.zcash_node_protocol }}" \
+            $ECR_REGISTRY/$ECR_REPOSITORY:$IMAGE_TAG
diff --git a/Dockerfile-demo b/Dockerfile-demo
index 46b0985..bcc52ea 100644
--- a/Dockerfile-demo
+++ b/Dockerfile-demo
@@ -32,10 +32,10 @@ RUN wget https://dist.ipfs.io/go-ipfs/v0.9.1/go-ipfs_v0.9.1_linux-amd64.tar.gz &
     rm -rf go-ipfs go-ipfs_v0.9.1_linux-amd64.tar.gz
 
 # Make fetch-params.sh executable
-RUN chmod +x fetch-params.sh
+RUN chmod +x ./zcutil/fetch-params.sh
 
 # Run fetch-params.sh
-RUN ./fetch-params.sh
+RUN ./zcutil/fetch-params.sh
 
 # Create necessary directories
 RUN mkdir -p /root/.local/share/ZcashParams
diff --git a/src/config.rs b/src/config.rs
index 5a9af09..744dded 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -58,14 +58,22 @@ pub struct NetworkConfig {
 
 impl Default for NetworkConfig {
     fn default() -> Self {
+        let node_address = env::var("ZCASH_NODE_ADDRESS").unwrap_or_else(|_| "127.0.0.1".to_string());
+        let node_port = env::var("ZCASH_NODE_PORT")
+            .ok()
+            .and_then(|s| s.parse().ok())
+            .unwrap_or(18232);
+        let protocol = env::var("ZCASH_NODE_PROTOCOL").unwrap_or_else(|_| "http".to_string());
+
+        println!(
+            "Using NetworkConfig: node_address = {}, node_port = {}, protocol = {}",
+            node_address, node_port, protocol
+        );
+
         Self {
-            node_address: env::var("ZCASH_NODE_ADDRESS")
-                .unwrap_or_else(|_| "127.0.0.1".to_string()),
-            node_port: env::var("ZCASH_NODE_PORT")
-                .ok()
-                .and_then(|s| s.parse().ok())
-                .unwrap_or(18232),
-            protocol: env::var("ZCASH_NODE_PROTOCOL").unwrap_or_else(|_| "http".to_string()),
+            node_address,
+            node_port,
+            protocol,
         }
     }
 }