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move terraform version to a docker build arg

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This also opens things up to build images for multiple terraform versions.
This commit is contained in:
Andy Trevorah 2019-08-05 16:46:47 +01:00
parent 7d1e39a8e0
commit bd549151ff
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GPG Key ID: 624244469AAFCE21
3 changed files with 7 additions and 5 deletions
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4
Dockerfile
View File

@ -25,8 +25,8 @@ RUN apk -U add \
openssh-client && \
rm -rf /var/cache/apk/*
ENV TERRAFORM_VERSION 0.12.4
RUN wget -q https://releases.hashicorp.com/terraform/${TERRAFORM_VERSION}/terraform_${TERRAFORM_VERSION}_linux_amd64.zip -O terraform.zip && \
ARG terraform_version
RUN wget -q https://releases.hashicorp.com/terraform/${terraform_version}/terraform_${terraform_version}_linux_amd64.zip -O terraform.zip && \
unzip terraform.zip -d /bin && \
rm -f terraform.zip

4
README.md
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@ -21,7 +21,9 @@ go build
Build the docker image with the following commands:
```
docker build --rm=true -t jmccann/drone-terraform .
docker build --rm=true \
-t jmccann/drone-terraform \
--build-arg terraform_version=0.12.0 .
```
## Usage

4
build-docker.sh
View File

@ -13,7 +13,7 @@ major=$(echo $tag | awk -F. '{print $1}')
minor=$(echo $tag | awk -F. '{print $2}')
# patch=$(echo $tag | awk -F. '{print $3}')
tf_ver=$(grep TERRAFORM_VERSION Dockerfile | head -n 1 | awk '{print $3}')
tf_ver="0.12.4"
echo "Confirm building images for:"
echo " MAJOR: ${major}"
@ -28,7 +28,7 @@ if [[ "$ans" != "Y" && "$ans" != "y" ]]; then
fi
set -x
docker build -t jmccann/drone-terraform:latest .
docker build -t jmccann/drone-terraform:latest --build-arg terraform_version=${tf_ver} .
docker tag jmccann/drone-terraform:latest jmccann/drone-terraform:${major}
docker tag jmccann/drone-terraform:latest jmccann/drone-terraform:${major}.${minor}