feat(main): add dedicated Go entrypoints for libreoffice / chromium only variants

build/Dockerfile

@@ -49,7 +49,9 @@ RUN go mod download &&\
 COPY cmd ./cmd
 COPY pkg ./pkg
 
-RUN go build -o gotenberg -ldflags "-s -w -X 'github.com/gotenberg/gotenberg/v8/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg/main.go
+RUN go build -o gotenberg -ldflags "-s -w -X 'github.com/gotenberg/gotenberg/v8/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg/main.go &&\
+    go build -o gotenberg-chromium -ldflags "-s -w -X 'github.com/gotenberg/gotenberg/v8/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg-chromium/main.go &&\
+    go build -o gotenberg-libreoffice -ldflags "-s -w -X 'github.com/gotenberg/gotenberg/v8/cmd.Version=$GOTENBERG_VERSION'" cmd/gotenberg-libreoffice/main.go
 
 # ----------------------------------------------
 # Custom JRE stage
@@ -168,9 +170,8 @@ RUN \
 # https://github.com/arachnys/athenapdf/commit/ba25a8d80a25d08d58865519c4cd8756dc9a336d.
 COPY --link build/fonts.conf /etc/fonts/conf.d/100-gotenberg.conf
 
-# Copy the Golang binaries.
+# Copy the pdfcpu binary (shared across all variants).
 COPY --link --from=pdfcpu-binary-stage /home/pdfcpu /usr/bin/
-COPY --link --from=gotenberg-binary-stage /home/gotenberg /usr/bin/
 
 # Set default characterset encoding to UTF-8.
 # See:
@@ -199,6 +200,9 @@ ARG GOTENBERG_VERSION=snapshot
 ARG GOTENBERG_USER_GID=1001
 ARG GOTENBERG_USER_UID=1001
 
+# Copy the Gotenberg binary (full variant with all modules).
+COPY --link --from=gotenberg-binary-stage /home/gotenberg /usr/bin/
+
 LABEL org.opencontainers.image.title="Gotenberg" \
     org.opencontainers.image.description="A containerized API for seamless PDF conversion." \
     org.opencontainers.image.version="$GOTENBERG_VERSION" \
@@ -265,6 +269,9 @@ ARG GOTENBERG_VERSION=snapshot
 ARG GOTENBERG_USER_GID=1001
 ARG GOTENBERG_USER_UID=1001
 
+# Copy the Gotenberg binary (Chromium variant — no LibreOffice modules).
+COPY --link --from=gotenberg-binary-stage /home/gotenberg-chromium /usr/bin/gotenberg
+
 LABEL org.opencontainers.image.title="Gotenberg (Chromium)" \
     org.opencontainers.image.description="A containerized API for seamless PDF conversion — Chromium variant." \
     org.opencontainers.image.version="$GOTENBERG_VERSION" \
@@ -303,6 +310,9 @@ FROM common-stage AS gotenberg-libreoffice
 
 ARG GOTENBERG_VERSION=snapshot
 
+# Copy the Gotenberg binary (LibreOffice variant — no Chromium modules).
+COPY --link --from=gotenberg-binary-stage /home/gotenberg-libreoffice /usr/bin/gotenberg
+
 LABEL org.opencontainers.image.title="Gotenberg (LibreOffice)" \
     org.opencontainers.image.description="A containerized API for seamless PDF conversion — LibreOffice variant." \
     org.opencontainers.image.version="$GOTENBERG_VERSION" \

cmd/gotenberg-chromium/main.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+	gotenbergcmd "github.com/gotenberg/gotenberg/v8/cmd"
+	// Gotenberg modules (Chromium variant — no LibreOffice).
+	_ "github.com/gotenberg/gotenberg/v8/pkg/standard/chromium"
+)
+
+func main() {
+	gotenbergcmd.Run()
+}

cmd/gotenberg-libreoffice/main.go

@@ -0,0 +1,11 @@
+package main
+
+import (
+	gotenbergcmd "github.com/gotenberg/gotenberg/v8/cmd"
+	// Gotenberg modules (LibreOffice variant — no Chromium).
+	_ "github.com/gotenberg/gotenberg/v8/pkg/standard/libreoffice"
+)
+
+func main() {
+	gotenbergcmd.Run()
+}

pkg/standard/chromium/doc.go

@@ -0,0 +1,3 @@
+// Package chromium imports the application's modules for the Chromium-only
+// variant (no LibreOffice).
+package chromium

pkg/standard/chromium/imports.go

@@ -0,0 +1,14 @@
+package chromium
+
+import (
+	// Gotenberg modules (Chromium variant — no LibreOffice).
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/api"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/chromium"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/exiftool"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/pdfcpu"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/pdfengines"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/pdftk"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/prometheus"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/qpdf"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/webhook"
+)

pkg/standard/libreoffice/doc.go

@@ -0,0 +1,3 @@
+// Package libreoffice imports the application's modules for the
+// LibreOffice-only variant (no Chromium).
+package libreoffice

pkg/standard/libreoffice/imports.go

@@ -0,0 +1,16 @@
+package libreoffice
+
+import (
+	// Gotenberg modules (LibreOffice variant — no Chromium).
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/api"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/exiftool"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/libreoffice"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/libreoffice/api"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/libreoffice/pdfengine"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/pdfcpu"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/pdfengines"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/pdftk"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/prometheus"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/qpdf"
+	_ "github.com/gotenberg/gotenberg/v8/pkg/modules/webhook"
+)