Build release -vs- local sources

This commit closes #5

./docker/build.sh              # build local sources
./docker/build.sh -r 0.1.0 -p  # build known release

Caddyfile

@@ -1,3 +1,4 @@
+# caddy reload --config /etc/caddy/Caddyfile
 {
 	order gitea before file_server
 }
@@ -7,3 +8,11 @@ gitea {
 	server {$GITEA_HOST} #   https://yourgitea.yourdomain.com
 	domain {$PAGES_DOMAIN} #             pages.yourdomain.com
 }
+
+@js {
+	path *.js
+}
+
+header @js {
+	Content-Type text/javascript # https://gitea.djmil.dev/djmil/gitea-pages/issues/3
+}

Dockerfile

@@ -1,16 +0,0 @@
-FROM caddy:2.8.4-builder-alpine AS builder
-
-COPY pkg/gitea/* /module/gitea-pages/pkg/gitea/
-COPY gitea-pages.go go.mod go.sum /module/gitea-pages/
-
-RUN xcaddy build \
-    --with gitea.djmil.dev/goland/gitea-pages \
-    --replace gitea.djmil.dev/goland/gitea-pages=/module/gitea-pages \
-    --replace gitea.djmil.dev/goland/gitea-pages/pkg/gitea=/module/gitea-pages/pkg/gitea
-
-FROM caddy:2.8.4
-
-COPY --from=builder /usr/bin/caddy /usr/bin/caddy
-COPY Caddyfile /etc/caddy/Caddyfile 
-
-EXPOSE 3003/tcp

README.md

@@ -1,6 +1,6 @@
 # gitea-pages
 
-Fork of the [caddy-gitea](https://github.com/42wim/caddy-gitea) project: [Gitea](https://gitea.io) plugin for [Caddy v2](https://github.com/caddyserver/caddy).
+Fork of the [caddy-gitea](https://github.com/42wim/caddy-gitea) project: [Gitea](https://gitea.io) plugin for [Caddy v2](https://github.com/caddyserver/caddy). List of [alternatives](https://docs.gitea.com/awesome#web-hosting).
 
 The project aims to have Github Pages in Gitea. For doing so it relies on a wildcard CNAME DNS entry to the gitea host.
 
@@ -8,16 +8,16 @@ For now markdown files (with `.md` extension) will also be automatically generat
 
 <!-- TOC -->
 
-- [caddy-gitea](#caddy-gitea)
+- [Getting started](#getting-started)
-    - [Getting started](#getting-started)
   - [Caddy config](#caddy-config)
   - [DNS config](#dns-config)
   - [Gitea config](#gitea-config)
     - [gitea-pages repo](#gitea-pages-repo)
     - [any repo with configurable allowed branch/tag/commits](#any-repo-with-configurable-allowed-branchtagcommits)
     - [any repo with all branches/tags/commits exposed](#any-repo-with-all-branchestagscommits-exposed)
-    - [Building caddy](#building-caddy)
+- [Building caddy with plugin](#building-caddy)
-    - [Integration & deployment](#Integration with Gitea)
+  - [Build locally](#build-with-locally-cloned-plugin-sources)
+- [Integration with Gitea](#integration-with-gitea)
 
 <!-- /TOC -->
 
@@ -112,15 +112,38 @@ e.g. we'll use the `yourrepo` repo in the `yourorg` org and there is a `file.htm
 ## Building caddy
 
 As this is a 3rd party plugin you'll need to build caddy (or use the binaries).
-To build with this plugin you'll need to have go1.19 installed.
+To build with this plugin you'll need to have `Golang v1.19` installed. Basic idea:
 
 ```bash
-go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest #this will install xcaddy in ~/go/bin
+# 1 install xcaddy in ~/go/bin
+go install github.com/caddyserver/xcaddy/cmd/xcaddy@latest
 
+# 2 build caddy binary with the latest plugin version
 xcaddy build \
-    --with gitea.djmil.dev/goland/gitea-pages \
+    --with gitea.djmil.dev/djmil/gitea-pages
-    --replace gitea.djmil.dev/goland/gitea-pages=/module/gitea-pages \
+```
-    --replace gitea.djmil.dev/goland/gitea-pages/pkg/gitea=/module/gitea-pages/pkg/gitea
+
+### Build with locally cloned plugin sources
+
+Also Docker builder image can be used to build caddy alongside locally cloned git repo of a plugin:
+
+```Dockerfile
+FROM caddy:2.8.4-builder-alpine AS builder
+
+COPY gitea-pages.go go.mod go.sum /module/gitea-pages/
+COPY pkg/gitea/*                  /module/gitea-pages/pkg/gitea/
+
+RUN xcaddy build \
+    --with gitea.djmil.dev/djmil/gitea-pages \
+    --replace gitea.djmil.dev/djmil/gitea-pages=/module/gitea-pages \
+    --replace gitea.djmil.dev/djmil/gitea-pages/pkg/gitea=/module/gitea-pages/pkg/gitea
+
+FROM caddy:2.8.4
+
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy
+COPY Caddyfile /etc/caddy/Caddyfile
+
+EXPOSE 3003/tcp
 ```
 
 ## Integration with Gitea

docker/build.sh

@@ -0,0 +1,98 @@
+#!/bin/bash
+set -e
+
+usage="$(basename "$0") [--release=<version>] [--publish] [-h] 
+
+Compile Caddy server with gitea-pages plugin inside docker container. Buy 
+default local sources will be used for build.
+
+You can also compile known release. The given release tag will be fetched from
+the project git repo at https://gitea.djmil.dev/djmil/gitea-pages.
+
+Optionally, the script can be used to publish resulting docker image to the
+https://hub.docker.com/repository/docker/djmil/gitea-pages.
+
+Params for the short options version shall be separated by space. For the long
+options - equal sign shall be used. Example:
+    --release=0.1.0
+    -r 0.0.1
+
+Where:
+    -l | --local
+        Build local sources. Default behaviour.
+
+    -r | --release  <version>
+        A major.minor.patch tag of the known release to build.
+
+    -p | --publish
+        Publish resulting image to the docker hub. Typically shall be used 
+        together with --release option. 
+
+    -h | --help
+        Show this message and exit.
+"
+
+R="\033[0;31m" # RED
+G="\033[0;32m" # GREEN
+Y="\033[0;33m" # YELLOW
+B="\033[1;34m" # BLUE
+NC="\033[0;0m" # NO COLOR
+
+###############################################################################
+# Parse long and short options, source:    https://stackoverflow.com/a/28466267
+
+# Defaults
+tag='local'
+publish=false
+
+die() { echo "$*" >&2; exit 2; }       # complain to STDERR and exit with error
+needs_arg() { if [ -z "$OPTARG" ]; then die "No arg for --$OPT option"; fi; }
+
+while getopts r:lph-: OPT; do  # allow -a, -b with arg, -c, and -- "with arg"
+  # support long options:       https://stackoverflow.com/a/28466267/519360
+  if [ "$OPT" = "-" ]; then     # long option: reformulate OPT and OPTARG
+    OPT="${OPTARG%%=*}"         # extract long option name
+    OPTARG="${OPTARG#"$OPT"}"   # extract long option argument (may be empty)
+    OPTARG="${OPTARG#=}"        # if long option argument, remove assigning `=`
+  fi
+  case "$OPT" in
+    l | local )    tag='local' ;;
+    r | release )  needs_arg; tag="$OPTARG" ;;
+    p | publish )  publish=true ;;
+    h | help )     echo "$usage" >&2; exit 0 ;;
+    \? )           exit 2 ;;    # bad short option (error reported via getopts)
+    * )            die "Illegal option --$OPT" ;;             # bad long option
+  esac
+done
+shift $((OPTIND-1))               # remove parsed options and args from $@ list
+###############################################################################
+
+
+if [ $tag = 'local' ]; then
+    echo -e "${Y} -->> Local dev-mode build: compile local sources${NC}";
+    
+    docker build \
+        --file docker/local.dockerfile \
+        --tag djmil/gitea-pages:local \
+        .
+    
+    exit 0
+fi
+
+
+echo -e "${Y} -->> Building release ${B}'$tag'${NC}";
+
+docker build \
+    --file docker/release.dockerfile \
+    --build-arg RELEASE=$tag \
+    --tag djmil/gitea-pages:$tag \
+    .
+
+
+if $publish; then
+    echo -e "${Y} -->> Publishing to the dockerhub";
+
+    docker login --username djmil #--password-stdin
+
+    docker push djmil/gitea-pages:$tag
+fi

docker/local.dockerfile

@@ -0,0 +1,24 @@
+FROM caddy:2.8.4-builder-alpine AS builder
+
+#
+# mount root of the build context as /module/gitea-pages  
+#    inside the container and run `xcaddy build` command
+#    also use cache to speed up subsequent builds
+#
+# $> go env GOCACHE     <<-- Golang build cache
+# $> go env GOMODCACHE  <<-- Goland module download cache
+#
+RUN --mount=type=bind,target=/module/gitea-pages \
+    --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg/mod \
+    xcaddy build \
+        --with gitea.djmil.dev/djmil/gitea-pages \
+        --replace gitea.djmil.dev/djmil/gitea-pages=/module/gitea-pages \
+        --replace gitea.djmil.dev/djmil/gitea-pages/pkg/gitea=/module/gitea-pages/pkg/gitea
+
+FROM caddy:2.8.4
+
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy
+COPY Caddyfile /etc/caddy/Caddyfile 
+
+EXPOSE 3003/tcp

docker/release.dockerfile

@@ -0,0 +1,19 @@
+FROM caddy:2.8.4-builder-alpine AS builder
+
+ARG RELEASE
+
+#
+# $> go env GOCACHE     <<-- Golang build cache
+# $> go env GOMODCACHE  <<-- Goland module download cache
+#
+RUN --mount=type=cache,target=/root/.cache/go-build \
+    --mount=type=cache,target=/go/pkg/mod \
+    xcaddy build \
+        --with gitea.djmil.dev/djmil/gitea-pages@$RELEASE 
+
+FROM caddy:2.8.4
+
+COPY --from=builder /usr/bin/caddy /usr/bin/caddy
+COPY Caddyfile /etc/caddy/Caddyfile 
+
+EXPOSE 3003/tcp

gitea-pages.go

@@ -5,7 +5,7 @@ import (
 	"net/http"
 	"strings"
 
-	"gitea.djmil.dev/goland/gitea-pages/pkg/gitea"
+	"gitea.djmil.dev/djmil/gitea-pages/pkg/gitea"
 	"github.com/caddyserver/caddy/v2"
 	"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
 	"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"

go.mod

@@ -1,4 +1,4 @@
-module gitea-pages
+module gitea.djmil.dev/djmil/gitea-pages
 
 go 1.19
 

make-release.sh

@@ -1,39 +0,0 @@
-#!/bin/bash
-set -e
-
-usage="$(basename "$0") [-h] [-t RELEASE_VERSION ]
-
-The script compiles Caddy server with GiteaPages plugin, and publishes the resulting image 
-to the https://hub.docker.com/u/djmil
-
-Where:
-    -t  RELEASE_VERSION
-        A major.minor.patch tag for the image being publisdhed.
-"
-
-tag=''
-
-while getopts ht: flag 
-do
-    case "${flag}" in
-        t) tag=${OPTARG};;
-        h) echo "$usage"; exit 0;;
-        *) echo "$usage" >&2; exit 1;;
-    esac
-done
-
-if [ ! "$tag" ]; then
-        echo 'Missing: -t RELEASE_VERSION' >&2
-        exit 1
-fi
-
-echo "Tag: $tag";
-
-docker build --tag djmil/gitea-pages:$tag .
-
-#git tag
-#git push tag
-
-docker login --username djmil #--password-stdin
-
-docker push djmil/gitea-pages:$tag