add a Dockerfile

.gitignore

@@ -25,3 +25,6 @@ _testmain.go
 
 # main executable on linux
 terraform-provider-ldap
+
+# ignore the binary copied from docker build container
+bin/terraform-provider-ldap

Dockerfile

@@ -0,0 +1,6 @@
+FROM golang:1.11.3-stretch
+COPY . /go/src/terraform-provider-ldap
+WORKDIR /go/src/terraform-provider-ldap
+RUN go get .
+RUN CGO_ENABLED=0 GOOS=linux go install -a -ldflags '-s -w -extldflags "-static"' .
+ENTRYPOINT ["/bin/cp", "-v", "/go/bin/terraform-provider-ldap", "/out"]

README.md

@@ -89,4 +89,44 @@ Then merge this file into your existing ```.tf``` file(s).
 ## Limitations
 
 This provider supports TLS, but certificate verification is not enabled yet; all
-connections are through TCP, no UDP support yet.
+connections are through TCP, no UDP support yet.
+
+## Docker build image
+
+You can build the final binary by calling the ```./build.sh``` which uses
+Docker, and copies the resulting binary ```terraform-provider-ldap``` to the
+```bin``` directory:
+
+```
+$ ./build.sh
+================================================================
+Building docker image...
+================================================================
+Sending build context to Docker daemon  172.5kB
+Step 1/6 : FROM golang:1.11.3-stretch
+ ---> bbf428bade77
+Step 2/6 : COPY . /go/src/terraform-provider-ldap
+ ---> 97272b52a9b6
+Step 3/6 : WORKDIR /go/src/terraform-provider-ldap
+ ---> Running in 3935be9d7ea3
+Removing intermediate container 3935be9d7ea3
+ ---> 72cc7041aec9
+Step 4/6 : RUN go get .
+ ---> Running in 5c00c77b9f91
+Removing intermediate container 5c00c77b9f91
+ ---> aeb8bb9c41b9
+Step 5/6 : RUN CGO_ENABLED=0 GOOS=linux go install -a -ldflags '-extldflags "-static"' .
+ ---> Running in df11c6d06069
+Removing intermediate container df11c6d06069
+ ---> 61bc6ebab4dd
+Step 6/6 : ENTRYPOINT ["/bin/cp", "-v", "/go/bin/terraform-provider-ldap", "/out"]
+ ---> Running in 7964106bed59
+Removing intermediate container 7964106bed59
+ ---> 807743cb8cef
+Successfully built 807743cb8cef
+Successfully tagged terraform-provider-ldap:latest
+================================================================
+Copying the binary...
+================================================================
+'/go/bin/terraform-provider-ldap' -> '/out/terraform-provider-ldap'
+```

build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -e
+
+banner() {
+echo "================================================================"
+echo "$1"
+echo "================================================================"
+}
+
+banner "Building docker image..."
+docker build -t terraform-provider-ldap .
+banner "Copying the binary..."
+docker run -v ${PWD}/bin:/out:rw terraform-provider-ldap