Relax Dockerfile syntax version specifier

Now that Dockerfile 1.4 is in stable release, this commit will relax the Dockerfile version from 1.4 to 1, to allow further 1.x releases. https://github.com/moby/buildkit/blob/f4eb826799e53547c793bfa83a035b8e24a2b88d/frontend/dockerfile/docs/reference.md
br3ndonland · Jul 9, 2022 · 79ce14e · 79ce14e
1 parent 8cc569f
commit 79ce14e
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diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.4
+# syntax=docker/dockerfile:1
 ARG PYTHON_VERSION=3.10 LINUX_VERSION=
 FROM python:${PYTHON_VERSION}${LINUX_VERSION:+-$LINUX_VERSION} AS builder
 LABEL org.opencontainers.image.authors="Brendon Smith <[email protected]>"

diff --git a/docs/docker.md b/docs/docker.md
@@ -241,7 +241,7 @@ The basic build dependencies used by inboard include `gcc`, `libc-dev`, and `mak
 !!! example "Example Alpine Linux _Dockerfile_ for PostgreSQL project"
 
     ```dockerfile
-    # syntax=docker/dockerfile:1.4
+    # syntax=docker/dockerfile:1
     ARG INBOARD_DOCKER_TAG=fastapi-alpine
     FROM ghcr.io/br3ndonland/inboard:${INBOARD_DOCKER_TAG}
     ENV APP_MODULE=mypackage.main:app
@@ -292,7 +292,7 @@ A _Dockerfile_ equivalent to the Alpine Linux example might look like the follow
 !!! example "Example Debian Linux slim _Dockerfile_ for PostgreSQL project"
 
     ```dockerfile
-    # syntax=docker/dockerfile:1.4
+    # syntax=docker/dockerfile:1
     ARG INBOARD_DOCKER_TAG=fastapi-slim
     FROM ghcr.io/br3ndonland/inboard:${INBOARD_DOCKER_TAG}
     ENV APP_MODULE=mypackage.main:app