[chore] update base docker image to go 1.18 (#13010)

This change ensures that the version of go used in the containers can use go workspaces.

cmd/telemetrygen/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS build
+FROM golang:1.18 AS build
 
 WORKDIR /src
 ADD . /src

cmd/tracegen/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS build
+FROM golang:1.18 AS build
 
 WORKDIR /src
 ADD . /src

examples/demo/client/Dockerfile

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM golang:1.17
+FROM golang:1.18
 COPY . /usr/src/client/
 WORKDIR /usr/src/client/
 RUN go env -w GOPROXY=direct

examples/demo/server/Dockerfile

@@ -11,7 +11,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-FROM golang:1.17
+FROM golang:1.18
 COPY . /usr/src/server/
 WORKDIR /usr/src/server/
 RUN go env -w GOPROXY=direct

examples/tracing/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS build
+FROM golang:1.18 AS build
 
 WORKDIR /src
 ADD . /src

exporter/loadbalancingexporter/example/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS build
+FROM golang:1.18 AS build
 
 WORKDIR /src
 ADD . /src

exporter/lokiexporter/example/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS build
+FROM golang:1.18 AS build
 
 WORKDIR /src
 ADD . /src

exporter/splunkhecexporter/example/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17 AS build
+FROM golang:1.18 AS build
 
 WORKDIR /src
 ADD . /src

receiver/simpleprometheusreceiver/examples/federation/prom-counter/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.17-stretch
+FROM golang:1.18-stretch
 
 WORKDIR /go/src/app