Squash merge PR #56 feat: Dockerfile for deployment

* Create Dockerfile
* Create docker-compose.test.yml

.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

@@ -0,0 +1,56 @@
+# =============================================================================
+#  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、最終的に 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。
+#
+# ビルド例
+#   $ docker build -t qiic .
+# 実行例
+#   $ docker run --rm -it qiic /bin/sh
+
+# -----------------------------------------------------------------------------
+#  Test Stage
+# -----------------------------------------------------------------------------
+FROM alpine: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 \
+    curl \
+    git \
+    shellcheck \
+    shfmt \
+    && curl -fsSL https://git.io/shellspec | sh -s -- --yes --prefix /usr/local
+
+# 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
+
+# Install miminum requirements for QiiCipher
+RUN apk add --no-cache \
+    openssl \
+    openssh \
+    ca-certificates && update-ca-certificates
+
+COPY --from=testbuild /app/bin /usr/local/sbin
+
+WORKDIR /app
+
+CMD ["/bin/ls","/usr/local/sbin"]

docker-compose.test.yml

@@ -0,0 +1,3 @@
+# Test for Docker Cloud Automated Build
+sut:
+  build: .