fix: Fix and pin versions in Dockerfile (#193)

Dockerfile

@@ -1,42 +1,31 @@
 FROM ubuntu:18.04
 
 ARG PRE_COMMIT_VERSION="2.11.1"
-ARG GOLANG_VERSION="1.16"
-ARG TERRAFORM_VERSION="0.14.8"
-ARG TFSEC_VERSION="v0.39.6"
-ARG TERRAFORM_DOCS_VERSION="latest"
-ARG TFLINT_VERSION="latest"
-ARG TFSEC_VERSION="v0.39.6"
+ARG TERRAFORM_VERSION="0.15.0"
+ARG TFSEC_VERSION="v0.39.21" 
+ARG TERRAFORM_DOCS_VERSION="v0.12.0"
+ARG TFLINT_VERSION="v0.27.0"
 ARG CHECKOV_VERSION="1.0.838"
 
 # Install general dependencies
 RUN apt update && \
     apt install -y curl git gawk unzip software-properties-common
 
-# Install golang
-RUN curl -L https://dl.google.com/go/go${GOLANG_VERSION}.linux-amd64.tar.gz > go${GOLANG_VERSION}.linux-amd64.tar.gz && \
-    tar xzf go${GOLANG_VERSION}.linux-amd64.tar.gz && \
-    rm -f go${GOLANG_VERSION}.linux-amd64.tar.gz
-ENV GOPATH /go
-RUN mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH"
-ENV PATH $GOPATH/bin:/usr/local/go/bin:$PATH
-
 # Install tools
 RUN add-apt-repository ppa:deadsnakes/ppa && \
     apt install -y python3.7 python3-pip && \
     pip3 install pre-commit==${PRE_COMMIT_VERSION} && \
-    curl -L "$(curl -s https://api.github.com/repos/terraform-docs/terraform-docs/releases/${TERRAFORM_DOCS_VERSION} | grep -o -E "https://.+?-linux-amd64.tar.gz")" > terraform-docs.tgz && tar xzf terraform-docs.tgz && chmod +x terraform-docs && mv terraform-docs /usr/bin/ && \
-    curl -L "$(curl -s https://api.github.com/repos/terraform-linters/tflint/releases/${TFLINT_VERSION} | grep -o -E "https://.+?_linux_amd64.zip")" > tflint.zip && unzip tflint.zip && rm tflint.zip && mv tflint /usr/bin/ && \
+    curl -L "$(curl -s https://api.github.com/repos/terraform-docs/terraform-docs/releases | grep -o -E "https://.+?${TERRAFORM_DOCS_VERSION}-linux-amd64.tar.gz")" > terraform-docs.tgz && tar xzf terraform-docs.tgz && chmod +x terraform-docs && mv terraform-docs /usr/bin/ && \
+    curl -L "$(curl -s https://api.github.com/repos/terraform-linters/tflint/releases | grep -o -E "https://.+?/${TFLINT_VERSION}/tflint_linux_amd64.zip")" > tflint.zip && unzip tflint.zip && rm tflint.zip && mv tflint /usr/bin/ && \
+    curl -L "$(curl -s https://api.github.com/repos/tfsec/tfsec/releases | grep -o -E "https://.+?/${TFSEC_VERSION}/tfsec-linux-amd64")" > tfsec && chmod +x tfsec && mv tfsec /usr/bin/ && \
     python3.7 -m pip install -U checkov==${CHECKOV_VERSION}
-RUN env GO111MODULE=on go get -u github.com/tfsec/tfsec/cmd/tfsec@${TFSEC_VERSION}
 
 # Install terraform because pre-commit needs it
 RUN curl -fsSL https://apt.releases.hashicorp.com/gpg | apt-key add - && \
     apt-add-repository "deb [arch=amd64] https://apt.releases.hashicorp.com $(lsb_release -cs) main" && \
     apt-get update && apt-get install terraform=${TERRAFORM_VERSION}
 
 # Checking all binaries are in the PATH
-RUN go version
 RUN terraform --help
 RUN pre-commit --help
 RUN terraform-docs --help

README.md

@@ -31,7 +31,7 @@ sudo apt install -y python3.7 python3-pip
 pip3 install pre-commit
 curl -L "$(curl -s https://api.github.com/repos/terraform-docs/terraform-docs/releases/latest | grep -o -E "https://.+?-linux-amd64.tar.gz")" > terraform-docs.tgz && tar xzf terraform-docs.tgz && chmod +x terraform-docs && sudo mv terraform-docs /usr/bin/
 curl -L "$(curl -s https://api.github.com/repos/terraform-linters/tflint/releases/latest | grep -o -E "https://.+?_linux_amd64.zip")" > tflint.zip && unzip tflint.zip && rm tflint.zip && sudo mv tflint /usr/bin/
-env GO111MODULE=on go get -u github.com/tfsec/tfsec/cmd/tfsec
+curl -L "$(curl -s https://api.github.com/repos/tfsec/tfsec/releases/latest | grep -o -E "https://.+?tfsec-linux-amd64")" > tfsec && chmod +x tfsec && mv tfsec /usr/bin/
 python3.7 -m pip install -U checkov
 ```