Move node Dockerfile to parent directory

The node package needs access to the sdk directory so move the
Dockerfile up one level so that both directories can be added to the
build.

Dockerfile.node

@@ -3,7 +3,7 @@ FROM --platform=linux/amd64 docker.io/golang:1.17.5@sha256:90d1ab81f3d157ca649a9
 # libwasmvm.so is not compatible with arm
 
 # Support additional root CAs
-COPY go.mod cert.pem* /certs/
+COPY node/go.mod cert.pem* /certs/
 # Debian
 RUN if [ -e /certs/cert.pem ]; then cp /certs/cert.pem /etc/ssl/certs/ca-certificates.crt; fi
 # git
@@ -11,16 +11,17 @@ RUN if [ -e /certs/cert.pem ]; then git config --global http.sslCAInfo /certs/ce
 
 WORKDIR /app
 
-COPY tools tools
+COPY node/tools tools
 
 RUN --mount=type=cache,target=/root/.cache --mount=type=cache,target=/go \
   cd tools/ && go build -mod=readonly -o /dlv github.com/go-delve/delve/cmd/dlv
 
-COPY . .
+COPY node node
 
 ARG GO_BUILD_ARGS=-race
 
 RUN --mount=type=cache,target=/root/.cache --mount=type=cache,target=/go \
+  cd node && \
   go build ${GO_BUILD_ARGS} -gcflags="all=-N -l" --ldflags '-extldflags "-Wl,--allow-multiple-definition" -X "github.com/certusone/wormhole/node/cmd/guardiand.Build=dev"' -mod=readonly -o /guardiand github.com/certusone/wormhole/node && \
   cp /go/pkg/mod/github.com/!cosm!wasm/wasmvm@v0.16.2/api/libwasmvm.so /usr/lib/
 

Tiltfile

@@ -121,8 +121,8 @@ if explorer:
 
 docker_build(
     ref = "guardiand-image",
-    context = "node",
+    context = ".",
-    dockerfile = "node/Dockerfile",
+    dockerfile = "Dockerfile.node",
     target = "build",
 )