Fix Makefile to work in CI.

Dockerfile

@@ -12,9 +12,7 @@ WORKDIR $CODE_DIR
 # We run this all in one layer to reduce the resulting image size
 RUN apk-install -t build-deps make curl libc-dev gcc go git tar \
   && curl -o /usr/local/bin/gosu -sSL "https://github.com/tianon/gosu/releases/download/1.6/gosu-amd64" \
-  && go get -d \
-  && make -C $GOPATH/src/github.com/lfittl/pg_query.go build \
-  && go get \
+  && make build \
   && go build -o $HOME_DIR/collector \
   && rm -rf $GOPATH \
 	&& apk del --purge build-deps

Makefile

@@ -1,4 +1,12 @@
-test:
+default: build test
+
+build:
+	go get -d
+	make -C ${GOPATH}/src/github.com/lfittl/pg_query_go build
+	go get
+	go build -o pganalyze-collector
+
+test: build
 	go test -v ./ ./dbstats ./scheduler
 
 .PHONY: test

explain/explain.go

@@ -5,7 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 
-	pg_query "github.com/lfittl/pg_query.go"
+	pg_query "github.com/lfittl/pg_query_go"
 	"github.com/pganalyze/collector/util"
 )