使用多步骤构建缩减镜像大小

Author: FantWings

Dockerfile

@@ -1,18 +1,32 @@
-FROM python:3.9-rc-buster
 
-WORKDIR /opt/url
-COPY . .
+# build stage
+FROM python:3.9-rc-buster as builder
 
+# install requirements
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r ./requirements.txt && \
-    chown 1000:1000 -R /opt/url
+    pip install --no-cache-dir pyinstaller
+
+# build exec files
+WORKDIR /opt/src
+COPY . .
+RUN pyinstaller -D wsgi.py
 
-EXPOSE 9090
+
+# run stage
+FROM python:3.9.5-slim-buster
+
+WORKDIR /opt/jlu_helper
+COPY --from=builder /opt/src/dist/wsgi .
 
 ENV SQL_USER=username
 ENV SQL_PASS=password
 ENV SQL_HOST=hostname
 ENV SQL_PORT=3306
 ENV SQL_BASE=basename
 ENV EXEC_TOKEN=token
+ENV FLASK_ENV=production
+
+EXPOSE 9090
 
-ENTRYPOINT [ "uwsgi", "-w", "wsgi:app", "--uid", "1000", "--http", ":9090","--master", "--workers", "3"]
+ENTRYPOINT [ "./wsgi"]

wsgi.py

@@ -17,4 +17,4 @@
 app.register_blueprint(blueprint=api, url_prefix='/api')
 
 if __name__ == "__main__":
-    app.run()
+    app.run(host='0.0.0.0', port=9090)