我在嘗試為基於節點 js 打字稿圖像 (NestJs) 的 aws lambda 創建 docker 圖像時遇到以下錯誤,當我使用帶有處理程序函數的示例 app.js 文件時也會發生此錯誤
internal/modules/cjs/loader.js:905
throw err;
^
Error: Cannot find module '/function/main.handler'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:902:15)
at Function.Module._load (internal/modules/cjs/loader.js:746:27)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:76:12)
at internal/main/run_main_module.js:17:47 {
code: 'MODULE_NOT_FOUND',
requireStack: []
我的運行命令:
docker run --rm -p 9001:8080 lambda-test:latest
ARG FUNCTION_DIR="/function"
#*****************************************************************************
# Builder Stage
#****************************************************************************/
FROM node:14-alpine AS builder
# Include global arg in this stage of the build
ARG FUNCTION_DIR
# The working directory is where "npm install" created the node_modules folder.
WORKDIR ${FUNCTION_DIR}
# Install aws-lambda-cpp build dependencies. aws-lambda-cpp is used by aws-lambda-ric which is a
# node-gyp compiled dependency. Find it in package.json.
# See the Node.js example at https://github.com/aws/aws-lambda-nodejs-runtime-interface-client
RUN apk add --no-cache \
libstdc++ \
build-base \
libtool \
autoconf \
automake \
libexecinfo-dev \
make \
cmake \
libcurl \
python3
RUN mkdir -p ${FUNCTION_DIR}
COPY . ${FUNCTION_DIR}
# Install the AWS Lambda Runtime Interface Client (RIC) that is only required within this Docker container (not in package.json on development machine).
# It helps AWS to run the Lambda function code that autoiXpert provides.
RUN npm install
RUN npm install aws-lambda-ric
RUN npx tsc
RUN npm prune --production
#*****************************************************************************
# Production Stage
#****************************************************************************/
FROM node:14-alpine
# Include global arg in this stage of the build
ARG FUNCTION_DIR
# The working directory is where "npm install" created the node_modules folder.
WORKDIR ${FUNCTION_DIR}
# If this directory does not exist, lambda shows an annoying warning.
RUN mkdir -p /opt/extensions
COPY --from=builder ${FUNCTION_DIR}/node_modules ${FUNCTION_DIR}/node_modules
COPY --from=builder ${FUNCTION_DIR}/package*.json ${FUNCTION_DIR}
COPY --from=builder ${FUNCTION_DIR}/dist/src* ${FUNCTION_DIR}
CMD [ "main.handler" ]
所有文件都正確定位
當我使用 aws 基礎圖像時,它運行良好,但圖像大小約為 800mb,而 alpine 為 300mb
您錯過ENTRYPOINT ["/usr/local/bin/npx", "aws-lambda-ric"]
了 Dockerfile 的最後階段。
圖片node:14-alpine
的默認 ENTRY_POINT 是
#!/bin/sh
set -e
if [ "${1#-}" != "${1}" ] || [ -z "$(command -v "${1}")" ]; then
set -- node "$@"
fi
exec "$@"
SoCMD [ "main.handler" ]
等價於node main.handler
,這導致Error: Cannot find module '/function/main.handler'
。
要解決此問題,您應該將入口點更改為aws-lambda-ric
with
ENTRYPOINT ["/usr/local/bin/npx", "aws-lambda-ric"]
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