Document https://github.com/jreleaser/jreleaser/issues/143

docs/modules/configuration/pages/packagers/docker.adoc

@@ -857,7 +857,7 @@ distributions:
         - serverName: DEFAULT
       # inherited by specs
       labels:
-        'org.opencontainers.image.title': '{{repoOwner}}'
+        'org.opencontainers.image.title': 'jreleaser'
       # inherited by specs
       postCommands:
         - 'VOLUME /workspace'
@@ -865,8 +865,8 @@ distributions:
       specs:
         slim:
           imageNames:
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:{{tagName}}'
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:latest'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:{{tagName}}'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:latest'
           # match by platform
           matchers:
             platform: 'linux'
@@ -875,8 +875,8 @@ distributions:
             - 'RUN apt-get install unzip'
         alpine:
           imageNames:
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:{{tagName}}'
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:latest'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:{{tagName}}'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:latest'
           # match by platform
           matchers:
             platform: 'linux_musl'

docs/modules/configuration/pages/signing.adoc

@@ -30,6 +30,12 @@ signing:
   # icon:dot-circle[]
   armored: true
 
+  # How should GPG keys be handled.
+  # Valid values are [`MEMORY`, `FILE`].
+  # Defaults to `MEMORY`.
+  # icon:dot-circle[]
+  mode: MEMORY
+
   # The public GPG (ascii armored) used to sign files and commits.
   # If left unspecified, the `JRELEASER_GPG_PUBLIC_KEY`
   # environment variable must be defined.
@@ -66,6 +72,12 @@ TOML::
   # icon:dot-circle[]
   armored = true
 
+  # How should GPG keys be handled.
+  # Valid values are [`MEMORY`, `FILE`].
+  # Defaults to `MEMORY`.
+  # icon:dot-circle[]
+  mode = 'MEMORY'
+
   # The public GPG (ascii armored) used to sign files and commits.
   # If left unspecified, the `JRELEASER_GPG_PUBLIC_KEY`
   # environment variable must be defined.
@@ -102,6 +114,12 @@ JSON::
     // icon:dot-circle[]
     "armored": true,
 
+    // How should GPG keys be handled.
+    // Valid values are [`MEMORY`, `FILE`].
+    // Defaults to `MEMORY`.
+    // icon:dot-circle[]
+    "mode": "MEMORY",
+
     // The public GPG (ascii armored) used to sign files and commits.
     // If left unspecified, the `JRELEASER_GPG_PUBLIC_KEY`
     // environment variable must be defined.
@@ -148,6 +166,14 @@ Maven::
     -->
     <armored>true</armored>
 
+    <!--
+      How should GPG keys be handled.
+      Valid values are [`MEMORY`, `FILE`].
+      Defaults to `MEMORY`.
+      icon:dot-circle[]
+    -->
+    <mode>MEMORY</mode>
+
     <!--
       The public GPG (ascii armored) used to sign files and commits.
       If left unspecified, the `JRELEASER_GPG_PUBLIC_KEY`
@@ -193,6 +219,12 @@ jreleaser {
     // icon:dot-circle[]
     armored = true
 
+    // How should GPG keys be handled.
+    // Valid values are [`MEMORY`, `FILE`].
+    // Defaults to `MEMORY`.
+    // icon:dot-circle[]
+    mode = 'MEMORY'
+
     // The public GPG (ascii armored) used to sign files and commits.
     // If left unspecified, the `JRELEASER_GPG_PUBLIC_KEY`
     // environment variable must be defined.
@@ -216,3 +248,12 @@ jreleaser {
 ====
 
 WARNING: Prefer the use of xref:configuration:environment.adoc[] if the configuration is stored at a public repository.
+
+== Mode
+
+When the mode is set to `MEMORY` (the default) then the values of `JRELEASER_GPG_PUBLIC_KEY` and
+`JRELEASER_GPG_SECRET_KEY` are treated as the actual contents for each key.
+
+When the mode is set to `FILE` then the values of `JRELEASER_GPG_PUBLIC_KEY` and
+`JRELEASER_GPG_SECRET_KEY` are treated as file paths pointing to files that the keys.
+

docs/modules/examples/pages/jreleaser.adoc

@@ -188,9 +188,10 @@ distributions:
       # inherited by specs
       registries:
         - serverName: DEFAULT
+          username: jreleaser
       # inherited by specs
       labels:
-        'org.opencontainers.image.title': '{{repoOwner}}'
+        'org.opencontainers.image.title': 'jreleaser'
       # inherited by specs
       postCommands:
         - 'VOLUME /workspace'
@@ -198,8 +199,8 @@ distributions:
       specs:
         slim:
           imageNames:
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:{{tagName}}'
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:latest'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:{{tagName}}'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:latest'
           # match by platform
           matchers:
             platform: 'linux'
@@ -208,8 +209,8 @@ distributions:
             - 'RUN apt-get install unzip'
         alpine:
           imageNames:
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:{{tagName}}'
-            - '{{repoOwner}}/{{repoOwner}}-{{dockerSpecName}}:latest'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:{{tagName}}'
+            - 'jreleaser/jreleaser-{{dockerSpecName}}:latest'
           # match by platform
           matchers:
             platform: 'linux_musl'