root: use hashes for dockerfile FROM

.github/dependabot.yml

@@ -142,7 +142,9 @@ updates:
     labels:
       - dependencies
   - package-ecosystem: docker
-    directory: "/"
+    directories:
+      - /
+      - /website
     schedule:
       interval: daily
       time: "04:00"

Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Stage 1: Build webui
-FROM --platform=${BUILDPLATFORM} docker.io/library/node:24-slim AS node-builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/node:24-trixie-slim@sha256:45babd1b4ce0349fb12c4e24bf017b90b96d52806db32e001e3013f341bef0fe AS node-builder
 
 ARG GIT_BUILD_HASH
 ENV GIT_BUILD_HASH=$GIT_BUILD_HASH
@@ -26,7 +26,7 @@ RUN npm run build && \
     npm run build:sfe
 
 # Stage 2: Build go proxy
-FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-bookworm AS go-builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-trixie@sha256:7534a6264850325fcce93e47b87a0e3fddd96b308440245e6ab1325fa8a44c91 AS go-builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -63,7 +63,7 @@ RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
     go build -o /go/authentik ./cmd/server
 
 # Stage 3: MaxMind GeoIP
-FROM --platform=${BUILDPLATFORM} ghcr.io/maxmind/geoipupdate:v7.1.1 AS geoip
+FROM --platform=${BUILDPLATFORM} ghcr.io/maxmind/geoipupdate:v7.1.1@sha256:faecdca22579730ab0b7dea5aa9af350bb3c93cb9d39845c173639ead30346d2 AS geoip
 
 ENV GEOIPUPDATE_EDITION_IDS="GeoLite2-City GeoLite2-ASN"
 ENV GEOIPUPDATE_VERBOSE="1"
@@ -76,9 +76,9 @@ RUN --mount=type=secret,id=GEOIPUPDATE_ACCOUNT_ID \
     /bin/sh -c "GEOIPUPDATE_LICENSE_KEY_FILE=/run/secrets/GEOIPUPDATE_LICENSE_KEY /usr/bin/entry.sh || echo 'Failed to get GeoIP database, disabling'; exit 0"
 
 # Stage 4: Download uv
-FROM ghcr.io/astral-sh/uv:0.9.5 AS uv
+FROM ghcr.io/astral-sh/uv:0.9.5@sha256:f459f6f73a8c4ef5d69f4e6fbbdb8af751d6fa40ec34b39a1ab469acd6e289b7 AS uv
 # Stage 5: Base python image
-FROM ghcr.io/goauthentik/fips-python:3.13.9-slim-trixie-fips AS python-base
+FROM ghcr.io/goauthentik/fips-python:3.13.9-slim-trixie-fips@sha256:700fc8c1e290bd14e5eaca50b1d8e8c748c820010559cbfb4c4f8dfbe2c4c9ff AS python-base
 
 ENV VENV_PATH="/ak-root/.venv" \
     PATH="/lifecycle:/ak-root/.venv/bin:$PATH" \

ldap.Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Stage 1: Build
-FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-bookworm AS builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-trixie@sha256:7534a6264850325fcce93e47b87a0e3fddd96b308440245e6ab1325fa8a44c91 AS builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -31,7 +31,7 @@ RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
     go build -o /go/ldap ./cmd/ldap
 
 # Stage 2: Run
-FROM ghcr.io/goauthentik/fips-debian:bookworm-slim-fips
+FROM ghcr.io/goauthentik/fips-debian:trixie-slim-fips@sha256:9b4cedf932e97194f1825124830f2eec14254d90162dad28f97e505971543115
 
 ARG VERSION
 ARG GIT_BUILD_HASH

proxy.Dockerfile

@@ -17,7 +17,7 @@ COPY web .
 RUN npm run build-proxy
 
 # Stage 2: Build
-FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-bookworm AS builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-trixie@sha256:7534a6264850325fcce93e47b87a0e3fddd96b308440245e6ab1325fa8a44c91 AS builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -47,7 +47,7 @@ RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
     go build -o /go/proxy ./cmd/proxy
 
 # Stage 3: Run
-FROM ghcr.io/goauthentik/fips-debian:bookworm-slim-fips
+FROM ghcr.io/goauthentik/fips-debian:trixie-slim-fips@sha256:9b4cedf932e97194f1825124830f2eec14254d90162dad28f97e505971543115
 
 ARG VERSION
 ARG GIT_BUILD_HASH

rac.Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Stage 1: Build
-FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-bookworm AS builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-trixie@sha256:7534a6264850325fcce93e47b87a0e3fddd96b308440245e6ab1325fa8a44c91 AS builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -31,7 +31,7 @@ RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
     go build -o /go/rac ./cmd/rac
 
 # Stage 2: Run
-FROM ghcr.io/goauthentik/guacd:v1.6.0-fips
+FROM ghcr.io/goauthentik/guacd:v1.6.0-fips@sha256:1d99572b0260924149b8c923c021a32016f885fcea6d5cc8d58f718dfdc7a2dd
 
 ARG VERSION
 ARG GIT_BUILD_HASH

radius.Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Stage 1: Build
-FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-bookworm AS builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.25.3-trixie@sha256:7534a6264850325fcce93e47b87a0e3fddd96b308440245e6ab1325fa8a44c91 AS builder
 
 ARG TARGETOS
 ARG TARGETARCH
@@ -31,7 +31,7 @@ RUN --mount=type=cache,sharing=locked,target=/go/pkg/mod \
     go build -o /go/radius ./cmd/radius
 
 # Stage 2: Run
-FROM ghcr.io/goauthentik/fips-debian:bookworm-slim-fips
+FROM ghcr.io/goauthentik/fips-debian:trixie-slim-fips@sha256:9b4cedf932e97194f1825124830f2eec14254d90162dad28f97e505971543115
 
 ARG VERSION
 ARG GIT_BUILD_HASH

website/Dockerfile

@@ -1,4 +1,4 @@
-FROM --platform=${BUILDPLATFORM} docker.io/library/node:24-slim AS docs-builder
+FROM --platform=${BUILDPLATFORM} docker.io/library/node:24-trixie-slim@sha256:45babd1b4ce0349fb12c4e24bf017b90b96d52806db32e001e3013f341bef0fe AS docs-builder
 
 ENV NODE_ENV=production
 
@@ -21,6 +21,6 @@ COPY ./SECURITY.md /work/
 
 RUN npm run build
 
-FROM docker.io/library/nginx:1.29.0
+FROM docker.io/library/nginx:1.29-trixie@sha256:b619c34a163ac12f68c1982568a122c4953dbf3126b8dbf0cc2f6fdbfd85de27
 
 COPY --from=docs-builder /work/website/docs/build /usr/share/nginx/html