fix: Dockerfile

.devcontainer/devcontainer.json

@@ -15,7 +15,11 @@
 
     // Add the IDs of extensions you wanït installed when the container is created.
     // Note that some extensions may not work in Alpine Linux. See https://aka.ms/vscode-remote/linux.
-    "extensions": ["foxundermoon.shell-format", "esbenp.prettier-vscode"],
+    "extensions": [
+        "foxundermoon.shell-format",
+        "esbenp.prettier-vscode",
+        "ms-azuretools.vscode-docker"
+    ],
 
     // Use 'forwardPorts' to make a list of ports inside the container available locally.
     // "forwardPorts": [],

Dockerfile

@@ -1,12 +1,47 @@
-# QiiCipher のコマンドだけを含めた Alpine イメージです
+# =============================================================================
+#  QiiCipher for Docker
+# =============================================================================
+# QiiCipher のコマンドだけを含めた Alpine イメージです。
+# マルチステージ・ビルドでテストを実行し、成功した場合のみ QiiCipher のコマンドだけを含めた
+# シンプルなイメージを作成します。docker-compose.test.yml により Docker Hub からのダウ
+# ンロード（`docker pull`）が可能になります。
+
+# -----------------------------------------------------------------------------
+#  Test Stage
+# -----------------------------------------------------------------------------
+FROM shellspec/shellspec:latest AS testbuild
+
+# Install miminum requirements for QiiCipher
+RUN apk add --no-cache \
+    openssl \
+    openssh \
+    ca-certificates && update-ca-certificates
+
+# Install requirements for testing
+RUN apk add --no-cache \
+    git \
+    shellcheck \
+    shfmt
+
+# Copy the hole repo
+COPY . /app
+WORKDIR /app
+
+# Run tests
+RUN \
+    /app/.github/run-lint.sh \
+    && /app/.github/run-test.sh
+
+# -----------------------------------------------------------------------------
+#  Final Stage
+# -----------------------------------------------------------------------------
 FROM alpine
 
 RUN apk add --no-cache \
-    bash \
-    curl \
     openssl \
+    openssh \
     ca-certificates && update-ca-certificates
 
-COPY ./bin /usr/local/sbin
+COPY --from=testbuild /app/bin /usr/local/sbin
 
-CMD ["/bin/ls","/bin/local/sbin"]
+CMD ["/bin/ls","/usr/local/sbin"]

docker-compose.test.yml

@@ -0,0 +1,8 @@
+# Test for Docker Cloud Automated Build
+sut:
+  build: .
+  volumes:
+    # Mount test file
+    - ./run-test_docker-cloud.sh:/app/run-test.sh
+  # Run the mounted test file inside a container from the built image
+  entrypoint: enc --help