diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 73905948..060a89c7 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -2,26 +2,26 @@ name: Cargo & Clippy Test
 
 on:
   push:
-    branches: [master]
-    paths:
-      - src/**
-      - test_files/**
-      - .cargo/**
-      - Cargo.toml
-      - Cargo.lock
-      - rust-toolchain.toml
-      - flake.nix
-      - flake.lock
-  pull_request:
-    paths:
-      - src/**
-      - test_files/**
-      - .cargo/**
-      - Cargo.toml
-      - Cargo.lock
-      - rust-toolchain.toml
-      - flake.nix
-      - flake.lock
+  #   branches: [master]
+  #   paths:
+  #     - src/**
+  #     - test_files/**
+  #     - .cargo/**
+  #     - Cargo.toml
+  #     - Cargo.lock
+  #     - rust-toolchain.toml
+  #     - flake.nix
+  #     - flake.lock
+  # pull_request:
+  #   paths:
+  #     - src/**
+  #     - test_files/**
+  #     - .cargo/**
+  #     - Cargo.toml
+  #     - Cargo.lock
+  #     - rust-toolchain.toml
+  #     - flake.nix
+  #     - flake.lock
 
 env:
   CARGO_TERM_COLOR: always
@@ -111,8 +111,12 @@ jobs:
           if [ -f "~/docker-images/${{ matrix.bash_docker_image }}-${{ matrix.sed }}" ]; then
             docker load -i "~/docker-images/${{ matrix.bash_docker_image }}-${{ matrix.sed }}"
           else
-            docker build --tag testbash
-            docker save -o "~/docker-images/${{ matrix.bash_docker_image }}-${{ matrix.sed }}"
+            docker build --tag testenv -f TestEnvDockerfile \
+              --build-arg "BASE_BASH_IMAGE=${{ matrix.bash_docker_image }}" \
+              --build-arg "INSTALL_GNU_SED=${{ matrix.sed }}" \
+              .
+            mkdir ~/docker-images
+            docker save -o "~/docker-images/${{ matrix.bash_docker_image }}-${{ matrix.sed }}" testenv
           fi
       - name: Run cargo tests
         env:
@@ -122,7 +126,7 @@ jobs:
             test_container
             bash
         run: |
-          docker run --network host --detach --name test_container testbash
+          docker run --network host --detach --name test_container testenv
           cargo test --all-targets --all-features
           docker stop test_container -t 0
           docker rm --force test_container
diff --git a/TestEnvDockerfile b/TestEnvDockerfile
index 8b3841ad..4aa2788f 100644
--- a/TestEnvDockerfile
+++ b/TestEnvDockerfile
@@ -1,22 +1,20 @@
-LABEL description="Used to test the compiled bash script for various environment."
-
 ARG BASE_BASE_IMAGE=bash:5.2
 ARG INSTALL_GNU_SED
 FROM $BASE_BASE_IMAGE
 
-# A non-root user(guest) is required by is_root() test
-RUN useradd -m appuser
-USER appuser
-WORKDIR /home/appuser
-
 RUN apk add \
   curl \
   # Includes mktemp
   coreutils \
   ;
-
-RUN if [ -n "$INSTALL_GNU_SED" ]; then \
-    apk add sed \
+RUN if [ "$INSTALL_GNU_SED" == "GNU sed" ];  \
+    then apk add sed; \
   fi
 
+# A non-root user(guest) is required by is_root() test
+RUN adduser -D appuser
+USER appuser
+WORKDIR /home/appuser
+
 CMD ["sleep", "infinity"]
+LABEL description="Used to test the compiled bash script for various environment."