.dockerignore

@@ -1,3 +1,5 @@
 .gitignore
 example/
+arch.txt
+buildx.sh
 readme.md

.gitignore

@@ -1 +1,2 @@
-
+arch.txt
+buildx.sh

Dockerfile

@@ -1,8 +1,8 @@
-FROM nginx:alpine-perl
+FROM alpine:latest
 
-RUN apk add --upgrade --no-cache bash gettext inotify-tools
-RUN mv /etc/nginx /etc/nginx.tmpl
-RUN touch /etc/envsubst.conf
+RUN apk add --upgrade --no-cache nginx gettext inotify-tools \
+ && mv /etc/nginx /etc/nginx.tmpl \
+ && touch /etc/envsubst.conf
 
 COPY start-nginx.sh /usr/local/bin/
 

ci/pipeline.yml

@@ -1,85 +0,0 @@
----
-resources:
-- name: source
-  type: git
-  source:
-    uri: https://gitea.redxef.at/redxef/nginx-envsubst
-    branch: master
-    fetch_tags: true
-- name: upstream-image
-  type: registry-image
-  check_every: 6h
-  source:
-    repository: nginx
-    tag: alpine
-- name: image
-  type: oci-image
-  source:
-    repository: redxef/nginx-envsubst
-    tag: latest
-    username: ((docker.username))
-    password: ((docker.password))
-
-resource_types:
-- name: oci-image
-  type: registry-image
-  source:
-    repository: redxef/concourse-oci-resource
-    tag: latest
-
-jobs:
-- name: build-push
-  plan:
-  - get: source
-    trigger: true
-  - get: upstream-image
-    trigger: true
-  - task: compute-docker-tags
-    config:
-      platform: linux
-      image_resource:
-        type: registry-image
-        source:
-          repository: alpine/git
-      inputs:
-      - name: source
-        path: .
-      outputs:
-      - name: docker-tags
-      run:
-        path: sh
-        args:
-        - -c
-        - |
-          #!/usr/bin/env sh
-          git rev-parse --short HEAD > docker-tags/tags.txt
-          git show-ref --tags | \
-              sed -n "/$(git rev-parse HEAD)/ s|$(git rev-parse HEAD).refs/tags/||gp" \
-              >> docker-tags/tags.txt
-  - task: build
-    privileged: true
-    config:
-      platform: linux
-      image_resource:
-        type: registry-image
-        source:
-          repository: redxef/concourse-buildkit
-      inputs:
-      - name: source
-        path: .
-      - name: docker-tags
-      outputs:
-      - name: build-output
-      params:
-        dest: build-output/image.tar
-        platform: aarch64,arm,i386,ppc64le,s390x,x86_64
-      run:
-        path: build
-  - put: image
-    inputs:
-    - build-output
-    - docker-tags
-    params:
-      image: build-output/image.tar
-      additional_tags: docker-tags/tags.txt
-

readme.md

@@ -3,7 +3,7 @@
 A simple docker image for configuring nginx with environment variables.
 
 ## Usage
-Mount you whole nginx configuration into `/etc/nginx.tmpl/`.
+Mount you whole nginx configuration into /etc/nginx.tmpl.
 The configuration files can contain environment variables compatible
 with `envsubst`, list these variables in a file `/etc/envsubst.conf`.
 Additionally, the server gets reloaded when a update to one of the
@@ -15,7 +15,7 @@ referenced certificates happens.
 cd example
 docker run --rm -it \
     -e DOMAIN_NAME=localhost \
-    -p 80:80 -p 443:443 \
+    -p 80:80 -p 443:443
     -v "$PWD/nginx.conf:/etc/nginx.tmpl/nginx.conf" \
     -v "$PWD/envsubst.conf:/etc/envsubst.conf" \
     -v "$PWD/cert:/cert" \
@@ -24,4 +24,4 @@ docker run --rm -it \
 
 ## Source
 
-[gitea.redxef.at/redxef/nginx-envsubst](https://gitea.redxef.at/redxef/nginx-envsubst)
+(gitea.redxef.at/redxef/nginx-envsubst)[https://gitea.redxef.at/redxef/nginx-envsubst]

start-nginx.sh

@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 pids=""
 
@@ -36,16 +36,10 @@ run_nginx() {
 }
 
 run_inotifywait() {
-    while :; do
-        wait_files="$(find "$dstdir" -type f -exec \
-            sed -En '/ssl_certificate/ s/^\s*ssl_certificate(_key)? (.*);.*$/\2/p' {} \; | sort -u)"
-        wait_directories="$(echo "$wait_files" | xargs -n 1 dirname | sort -u)"
-        echo "monitoring the following files:"
-        echo "$wait_files"
-        matched_files="$(echo "$wait_directories" | inotifywait --fromfile=- -e close_write -e modify -e create)"
-        if [[ -n "$(comm -12 <(sort -u <<< "$matched_files") <(echo "$wait_files"))" ]]; then
+    while find "$dstdir" -type f -exec \
+        sed -En '/ssl_certificate/ s/^\s*ssl_certificate(_key)? (.*);.*$/\2/p' {} \; | sort | uniq | \
+        inotifywait --fromfile=-; do
             nginx -s reload
-        fi
     done
 }