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49 lines
1.4 KiB
Markdown
49 lines
1.4 KiB
Markdown
## Build a development API Gateway
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1. Build a new development Docker image:
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```
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$ cd gateway/
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$ ./build.sh
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```
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This creates a Docker image with the name `functions/gateway:latest-dev`, but if you want to use something else then pass the tag as an argument to the `./build.sh` script. I.e. `./build.sh labels-pr`.
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3. Now edit the Docker image for the `gateway` service in your `docker-compose.yml` file.
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4. Redeploy the stack.
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Test. Repeat.
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## Work on the UI the quick way
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Working on the UI with the procedure above could take up to a minute to iterate between changing code and testing the changes. This section of the post shows how to bind-mount the UI assets into the API gateway as a separate container.
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Remove the Docker stack, then re-define the faas network as "attachable":
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```
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$ docker stack rm func
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$ docker network create func_functions --driver=overlay --attachable=true
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```
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Now edit the `docker-compose.yml` file and replace the existing networks block with:
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```
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networks:
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functions:
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external:
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name: func_functions
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```
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Now deploy the rest of the stack with: `./deploy_stack.sh`.
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Now you can run the gateway as its own container via `docker run` and bind-mount in the HTML assets.
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```
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$ docker service rm func_gateway
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$ docker run --name func_gateway -v `pwd`/gateway/assets:/root/assets \
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-v "/var/run/docker.sock:/var/run/docker.sock" \
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-p 8080:8080 --network=func_functions \
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-d functions/gateway:latest-dev
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```
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