スリム化の実施とPipfile及びPipfile.lockの再構成

lambda/sap-data-decrypt/Dockerfile

@@ -1,16 +1,19 @@
-FROM python:3.9
+# AWS公式のDockerイメージを利用
+FROM python:3.12-slim-bookworm
 
 ENV TZ="Asia/Tokyo"
 
-WORKDIR /function
-COPY requirements.txt ./
-RUN  \
-    apt update -y && \
-    # パッケージのセキュリティアップデートのみを適用するコマンド
-    apt install -y unattended-upgrades && \
-    unattended-upgrades && \
-    pip install --upgrade pip wheel setuptools && \
-    pip install --no-cache-dir -r requirements.txt
+# pythonの標準出力をバッファリングしないフラグ
+ENV PYTHONUNBUFFERED=1
+# pythonのバイトコードを生成しないフラグ
+ENV PYTHONDONTWRITEBYTECODE=1
+
+# 必要なファイルをイメージにコピー
+COPY Pipfile Pipfile.lock ./
+
+RUN pip install pipenv --no-cache-dir && \
+    pipenv install --system --deploy && \
+    pip uninstall -y pipenv virtualenv-clone virtualenv
 COPY datadecrypt ./
 
 ENTRYPOINT [ "/usr/local/bin/python", "-m", "awslambdaric" ]

lambda/sap-data-decrypt/Pipfile

@@ -0,0 +1,16 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+boto3 = "*"
+awslambdaric = "*"
+python-gnupg = "*"
+
+[dev-packages]
+autopep8 = "*"
+flake8 = "*"
+
+[requires]
+python_version = "3.12"

lambda/sap-data-decrypt/Pipfile.lock

@@ -0,0 +1,27 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "1a02067c1f004e5d31364e9631ef0cefbe083f9c667e82317ebda4bda9b2133e"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.12"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "awslambdaric": "*",
+        "boto3": "*",
+        "python-gnupg": "*"
+    },
+    "develop": {
+        "autopep8": "*",
+        "flake8": "*"
+    }
+}