fix: examples/* to use go 1.18 (vs 1.15) to match integration/example…

…s and fix breakages (#7665)

examples/compose/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/compose/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/compose
+
+go 1.18

examples/cross-platform-builds/Dockerfile

@@ -1,10 +1,12 @@
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG TARGETOS
 ARG TARGETARCH
 ARG SKAFFOLD_GO_GCFLAGS
-RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/cross-platform-builds/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/cross-platform-builds
+
+go 1.18

examples/custom-buildx/Dockerfile

@@ -5,13 +5,15 @@
 # TARGET{PLATFORM,OS,ARCH} are set to the desired platform
 FROM --platform=$BUILDPLATFORM golang:alpine AS builder
 
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
 ARG TARGETOS
 ARG TARGETARCH
-RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/custom-tests/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/custom-tests/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/custom-tests
+
+go 1.18

examples/docker-deploy/bert/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3.10
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/docker-deploy/bert/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/docker-deploy/bert
+
+go 1.18

examples/docker-deploy/ernie/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3.10
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/docker-deploy/ernie/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/docker-deploy/ernie
+
+go 1.18

examples/gcb-kaniko/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/gcb-kaniko/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/gcb-kaniko
+
+go 1.18

examples/generate-pipeline/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/generate-pipeline/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/generate-pipeline
+
+go 1.18

examples/getting-started-kustomize/app/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3.10
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/getting-started-kustomize/app/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/getting-started-kustomize
+
+go 1.18

examples/getting-started/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/getting-started/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/getting-started
+
+go 1.18

examples/google-cloud-build/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/google-cloud-build/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/google-cloud-build
+
+go 1.18

examples/helm-deployment/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3.10
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/helm-deployment/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/helm-deployment
+
+go 1.18

examples/kaniko/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/kaniko/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/kaniko
+
+go 1.18

examples/lifecycle-hooks/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/lifecycle-hooks/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/lifecycle-hooks
+
+go 1.18

examples/microservices/leeroy-app/Dockerfile

@@ -1,9 +1,11 @@
 ARG BASE
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY app.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app .
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app .
 
 FROM $BASE
 COPY --from=builder /app .

examples/microservices/leeroy-app/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/microservices/leeroy-app
+
+go 1.18

examples/microservices/leeroy-web/Dockerfile

@@ -1,9 +1,11 @@
 ARG BASE
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY web.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app .
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app .
 
 FROM $BASE
 COPY --from=builder /app .

examples/microservices/leeroy-web/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/microservices/leeroy-web
+
+go 1.18

examples/multi-config-microservices/leeroy-app/Dockerfile

@@ -1,9 +1,11 @@
 ARG BASE
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY app.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app .
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app .
 
 FROM $BASE
 COPY --from=builder /app .

examples/multi-config-microservices/leeroy-app/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/multi-config-microservices/leeroy-app
+
+go 1.18

examples/multi-config-microservices/leeroy-web/Dockerfile

@@ -1,9 +1,11 @@
 ARG BASE
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY web.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app .
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app .
 
 FROM $BASE
 COPY --from=builder /app .

examples/multi-config-microservices/leeroy-web/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/multi-config-microservices/leeroy-web
+
+go 1.18

examples/profile-patches/base-service/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/profile-patches/base-service/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/profile-patches/base-service
+
+go 1.18

examples/profile-patches/hello-service/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/profile-patches/hello-service/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/profile-patches/hello-service
+
+go 1.18

examples/profile-patches/world-service/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/profile-patches/world-service/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/profile-patches/world-service
+
+go 1.18

examples/profiles/hello-service/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/profiles/hello-service/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/profiles/hello-service
+
+go 1.18

examples/profiles/world-service/Dockerfile

@@ -1,8 +1,10 @@
-FROM golang:1.15 as builder
+FROM golang:1.18 as builder
+WORKDIR /code
 COPY main.go .
+COPY go.mod .
 # `skaffold debug` sets SKAFFOLD_GO_GCFLAGS to disable compiler optimizations
 ARG SKAFFOLD_GO_GCFLAGS
-RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -o /app main.go
+RUN go build -gcflags="${SKAFFOLD_GO_GCFLAGS}" -trimpath -o /app main.go
 
 FROM alpine:3
 # Define GOTRACEBACK to mark this container as using the Go language runtime

examples/profiles/world-service/go.mod

@@ -0,0 +1,3 @@
+module github.com/GoogleContainerTools/skaffold/examples/profiles/world-service
+
+go 1.18