chore: optimize dockerfile (#532)

Author: huxuan

.devcontainer/Dockerfile

@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1
+
 ARG PYTHON_VERSION=3.12
 
 ########################################################################################
@@ -10,6 +12,11 @@ FROM python:${PYTHON_VERSION} as dev
 # ARG is used here for temporary override without changing the original env.
 ARG PYTHON_VERSION
 
+# Config Python
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONHASHSEED=0
+ENV PYTHONUNBUFFERED=1
+
 # renovate: depName=debian_12/pipx
 ARG PIPX_VERSION="1.1.0-1"
 # renovate: depName=debian_12/sudo
@@ -56,14 +63,14 @@ RUN chown -R $USER_UID:$USER_GID $PIPX_HOME $PIPX_BIN_DIR
 
 FROM dev as build
 
-# Copy necessary files for build.
-COPY pyproject.toml pdm.lock README.md /workspace/
-COPY src/ /workspace/src
-
 # Install dependencies and project into the local packages directory.
 WORKDIR /workspace
 ARG PDM_BUILD_SCM_VERSION=0.0.0
-RUN mkdir __pypackages__ && PDM_BUILD_SCM_VERSION=${PDM_BUILD_SCM_VERSION} pdm sync --prod --no-editable
+RUN --mount=source=README.md,target=README.md \
+    --mount=source=pdm.lock,target=pdm.lock \
+    --mount=source=pyproject.toml,target=pyproject.toml \
+    --mount=source=src,target=src \
+    mkdir __pypackages__ && PDM_BUILD_SCM_VERSION=${PDM_BUILD_SCM_VERSION} pdm sync --prod --no-editable
 
 ########################################################################################
 # Prod image is used for deployment and distribution.
@@ -75,6 +82,11 @@ FROM python:${PYTHON_VERSION}-slim as prod
 # ARG is used here for temporary override without changing the original env.
 ARG PYTHON_VERSION
 
+# Config Python
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONHASHSEED=0
+ENV PYTHONUNBUFFERED=1
+
 # Retrieve packages from build stage.
 ENV PYTHONPATH=/workspace/pkgs
 COPY --from=build /workspace/__pypackages__/${PYTHON_VERSION}/lib /workspace/pkgs

.devcontainer/Dockerfile.dockerignore

@@ -1,7 +1,6 @@
 *
 .*
+!/README.md
 !/pdm.lock
-!/pdm.toml
 !/pyproject.toml
-!/README.md
 !/src/

template/.devcontainer/Dockerfile.dockerignore

@@ -1,7 +1,6 @@
 *
 .*
+!/README.md
 !/pdm.lock
-!/pdm.toml
 !/pyproject.toml
-!/README.md
 !/src/

template/.devcontainer/Dockerfile.jinja

@@ -1,3 +1,5 @@
+# syntax=docker/dockerfile:1
+
 ARG PYTHON_VERSION={{ default_py }}
 
 ########################################################################################
@@ -10,6 +12,11 @@ FROM python:${PYTHON_VERSION} as dev
 # ARG is used here for temporary override without changing the original env.
 ARG PYTHON_VERSION
 
+# Config Python
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONHASHSEED=0
+ENV PYTHONUNBUFFERED=1
+
 # renovate: depName=debian_12/pipx
 ARG PIPX_VERSION="1.1.0-1"
 # renovate: depName=debian_12/sudo
@@ -56,14 +63,14 @@ RUN chown -R $USER_UID:$USER_GID $PIPX_HOME $PIPX_BIN_DIR
 
 FROM dev as build
 
-# Copy necessary files for build.
-COPY pyproject.toml pdm.lock README.md /workspace/
-COPY src/ /workspace/src
-
 # Install dependencies and project into the local packages directory.
 WORKDIR /workspace
 ARG PDM_BUILD_SCM_VERSION=0.0.0
-RUN mkdir __pypackages__ && PDM_BUILD_SCM_VERSION=${PDM_BUILD_SCM_VERSION} pdm sync --prod --no-editable
+RUN --mount=source=README.md,target=README.md \
+    --mount=source=pdm.lock,target=pdm.lock \
+    --mount=source=pyproject.toml,target=pyproject.toml \
+    --mount=source=src,target=src \
+    mkdir __pypackages__ && PDM_BUILD_SCM_VERSION=${PDM_BUILD_SCM_VERSION} pdm sync --prod --no-editable
 
 ########################################################################################
 # Prod image is used for deployment and distribution.
@@ -75,6 +82,11 @@ FROM python:${PYTHON_VERSION}-slim as prod
 # ARG is used here for temporary override without changing the original env.
 ARG PYTHON_VERSION
 
+# Config Python
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONHASHSEED=0
+ENV PYTHONUNBUFFERED=1
+
 # Retrieve packages from build stage.
 ENV PYTHONPATH=/workspace/pkgs
 COPY --from=build /workspace/__pypackages__/${PYTHON_VERSION}/lib /workspace/pkgs