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Utillize build cache for Node.js web app example

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Signed-off-by: Hans Kristian Flaatten <hans@starefossen.com>
Upstream-commit: 641c739fc1352aab8937ea8f0280082fa8e67ff8
Component: engine
This commit is contained in:
Hans Kristian Flaatten
2015-11-08 14:11:48 +01:00
committed by Hans Kristian Flaatten
parent 164600687f
commit 0787af9472
1 changed files with 10 additions and 7 deletions
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17
components/engine/docs/examples/nodejs_web_app.md
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@ -85,17 +85,18 @@ via-package-manager#rhelcentosscientific-linux-6):
# Install Node.js and npm
RUN yum install -y nodejs npm
Install your app dependencies using the `npm` binary:
# Install app dependencies
COPY package.json /src/package.json
RUN cd /src; npm install
To bundle your app's source code inside the Docker image, use the `COPY`
instruction:
# Bundle app source
COPY . /src
Install your app dependencies using the `npm` binary:
# Install app dependencies
RUN cd /src; npm install
Your app binds to port `8080` so you'll use the `EXPOSE` instruction to have
it mapped by the `docker` daemon:
@ -116,10 +117,12 @@ Your `Dockerfile` should now look like this:
# Install Node.js and npm
RUN yum install -y nodejs npm
# Install app dependencies
COPY package.json /src/package.json
RUN cd /src; npm install
# Bundle app source
COPY . /src
# Install app dependencies
RUN cd /src; npm install
EXPOSE 8080
CMD ["node", "/src/index.js"]