feat: EXTRA_CONFIG environment variable is supported

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.editorconfig

@@ -5,8 +5,8 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = true
 indent_style = space
-indent_size = 4
+indent_size = 2
 trim_trailing_whitespace = true
 
-[*.{yml, yaml, sh, conf, json}]
-indent_size = 2
+[Dockerfile]
+indent_size = 4

.github/dependabot.yml

@@ -6,11 +6,9 @@ updates:
   - package-ecosystem: github-actions
     directory: /
     schedule: {interval: monthly}
-    reviewers: [tarampampam]
     assignees: [tarampampam]
 
   - package-ecosystem: docker
     directory: /
     schedule: {interval: monthly}
-    reviewers: [tarampampam]
     assignees: [tarampampam]

.github/workflows/dependabot.yml

@@ -0,0 +1,25 @@
+name: dependabot
+
+on:
+  pull_request: {}
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot: # https://tinyurl.com/e69djmen
+    runs-on: ubuntu-latest
+    if: ${{ github.actor == 'dependabot[bot]' }}
+    steps:
+      - uses: dependabot/fetch-metadata@v1
+        id: metadata
+        with: {github-token: "${{ secrets.GITHUB_TOKEN }}"}
+
+      - name: Enable auto-merge for Dependabot PRs
+        if: ${{ contains(fromJSON('["version-update:semver-minor", "version-update:semver-patch"]'), steps.metadata.outputs.update-type) }}
+        run: gh pr merge --auto --merge "$PR_URL"
+        continue-on-error: true
+        env:
+          PR_URL: ${{ github.event.pull_request.html_url }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/documentation.yml

@@ -0,0 +1,19 @@
+name: documentation
+
+on:
+  push:
+    branches: [master, main]
+    paths: ['README.md']
+
+jobs:
+  docker-hub-description:
+    name: Docker Hub Description
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: peter-evans/dockerhub-description@v4 # Action page: <https://github.com/peter-evans/dockerhub-description>
+        with:
+          username: ${{ secrets.DOCKER_LOGIN }}
+          password: ${{ secrets.DOCKER_USER_PASSWORD }}
+          repository: tarampampam/3proxy

.github/workflows/release.yml

@@ -9,32 +9,30 @@ jobs:
     name: Build docker image
     runs-on: ubuntu-20.04
     steps:
-      - name: Check out code
-        uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
-      - uses: gacts/github-slug@v1
-        id: slug
+      - {uses: gacts/github-slug@v1, id: slug}
 
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-qemu-action@v3
 
-      - name: Login to default Container Registry
-        uses: docker/login-action@v2 # Action page: <https://github.com/docker/login-action>
+      - uses: docker/setup-buildx-action@v3
+
+      - uses: docker/login-action@v3 # Action page: <https://github.com/docker/login-action>
         with:
           username: ${{ secrets.DOCKER_LOGIN }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2 # Action page: <https://github.com/docker/login-action>
+      - uses: docker/login-action@v3 # Action page: <https://github.com/docker/login-action>
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - uses: docker/build-push-action@v3 # Action page: <https://github.com/docker/build-push-action>
+      - uses: docker/build-push-action@v5 # Action page: <https://github.com/docker/build-push-action>
         with:
           context: .
-          file: Dockerfile
           push: true
+          platforms: linux/amd64,linux/arm64
           tags: |
             tarampampam/3proxy:${{ steps.slug.outputs.version-semantic }}
             tarampampam/3proxy:latest

.github/workflows/tests.yml

@@ -15,61 +15,30 @@ jobs: # Docs: <https://git.io/JvxXE>
     name: Gitleaks
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with: {fetch-depth: 0}
 
-      - name: Check for GitLeaks
-        uses: gacts/gitleaks@v1 # Action page: <https://github.com/gacts/gitleaks>
+      - uses: gacts/gitleaks@v1
 
   build-image:
     name: Build docker image
     runs-on: ubuntu-20.04
     steps:
-      - name: Check out code
-        uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Build docker image
         run: docker build -f ./Dockerfile --tag 3proxy:local .
 
-      - name: Scan image
-        uses: anchore/scan-action@v3 # action page: <https://github.com/anchore/scan-action>
-        with:
-          image: 3proxy:local
-          fail-build: true
-          severity-cutoff: low # negligible, low, medium, high or critical
-
       - name: Save docker image
         run: docker save 3proxy:local > ./docker-image.tar
 
       - name: Upload artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: docker-image
           path: ./docker-image.tar
           retention-days: 1
 
-  scan-image:
-    name: Scan docker image
-    runs-on: ubuntu-20.04
-    needs: [build-image]
-    steps:
-      - name: Download built docker image
-        uses: actions/download-artifact@v3
-        with:
-          name: docker-image
-          path: .artifact
-
-      - name: Prepare image to run
-        working-directory: .artifact
-        run: docker load < docker-image.tar
-
-      - name: Scan image
-        uses: anchore/scan-action@v3 # action page: <https://github.com/anchore/scan-action>
-        with:
-          image: 3proxy:local
-          fail-build: true
-          severity-cutoff: low # negligible, low, medium, high or critical
-
   try-to-use:
     name: Build and use docker image (auth ${{ matrix.auth }})
     runs-on: ubuntu-20.04
@@ -79,8 +48,8 @@ jobs: # Docs: <https://git.io/JvxXE>
         auth: [yes, no]
     needs: [build-image]
     steps:
-      - name: Download builded docker image
-        uses: actions/download-artifact@v3
+      - name: Download built docker image
+        uses: actions/download-artifact@v4
         with:
           name: docker-image
           path: .artifact
@@ -95,7 +64,7 @@ jobs: # Docs: <https://git.io/JvxXE>
 
       - name: Start server with auth setup
         if: matrix.auth == 'yes'
-        run: docker run --rm -d -p "3128:3128/tcp" -p "1080:1080/tcp" -e "PROXY_LOGIN=evil" -e "PROXY_PASSWORD=live" 3proxy:local
+        run: docker run --rm -d -p "3128:3128/tcp" -p "1080:1080/tcp" -e "PROXY_LOGIN=evil" -e "PROXY_PASSWORD=live" -e 'EXTRA_ACCOUNTS={"foo":"bar"}' 3proxy:local
 
       - name: Pause
         run: sleep 3
@@ -128,6 +97,16 @@ jobs: # Docs: <https://git.io/JvxXE>
             --max-time 3 \
             https://www.cloudflare.com/robots.txt
 
+      - name: Try to use HTTP proxy (with auth, extra user)
+        if: matrix.auth == 'yes'
+        run: |
+          curl -v --fail \
+            --proxy http://127.0.0.1:3128 \
+            --proxy-user foo:bar \
+            --connect-timeout 3 \
+            --max-time 3 \
+            https://www.cloudflare.com/robots.txt
+
       - name: Try to use SOCKS proxy (with auth)
         if: matrix.auth == 'yes'
         run: |

3proxy.cfg.json

@@ -0,0 +1,24 @@
+{
+  "log": {
+    "output": "/dev/stdout"
+  },
+  "name_servers": [
+    "${PRIMARY_RESOLVER:-1.0.0.1}",
+    "${SECONDARY_RESOLVER:-8.8.4.4}",
+    "1.1.1.1",
+    "9.9.9.9",
+    "8.8.8.8"
+  ],
+  "name_servers_cache": 65536,
+  "max_connections": "${MAX_CONNECTIONS:-1024}",
+  "auth": {
+    "login": "${PROXY_LOGIN:-}",
+    "password": "${PROXY_PASSWORD:-}",
+    "extra_accounts": ${EXTRA_ACCOUNTS:-{}}
+  },
+  "ports": {
+    "proxy": "${PROXY_PORT:-3128}",
+    "socks": "${SOCKS_PORT:-1080}"
+  },
+  "extra_config": "${EXTRA_CONFIG}"
+}

3proxy.cfg.mustach

@@ -5,27 +5,34 @@ config /etc/3proxy/3proxy.cfg
 system "echo `which 3proxy`': Starting 3proxy'"
 
 # We can configure nservers to avoid unsafe gethostbyname() usage (max 5 servers)
-#NSERVER1
-#NSERVER2
-nserver 1.0.0.1
-nserver 1.1.1.1
-nserver 8.8.4.4
+{{#name_servers}}
+nserver {{ . }}
+{{/name_servers}}
 
 # nscache is good to save speed, traffic and bandwidth
-nscache 65536
+nscache {{ name_servers_cache }}
 
 # Here we can change timeout values
 timeouts 1 5 30 60 180 1800 15 60
 
 # Logging docs: <https://3proxy.org/doc/howtor.html#LOGFORMAT>
-log /dev/stdout
+log {{ log.output }}
 logformat "-\""+_G{""time_unix"":%t, ""proxy"":{""type:"":""%N"", ""port"":%p}, ""error"":{""code"":""%E""}, ""auth"":{""user"":""%U""}, ""client"":{""ip"":""%C"", ""port"":%c}, ""server"":{""ip"":""%R"", ""port"":%r}, ""bytes"":{""sent"":%O, ""received"":%I}, ""request"":{""hostname"":""%n""}, ""message"":""%T""}"
 
-maxconn 1024
+maxconn {{ max_connections }}
 
-#AUTH_SETTINGS
+{{^auth.login=}}{{^auth.password=}}
+users {{ auth.login }}:CL:{{ auth.password }}{{#auth.extra_accounts.*}} {{ * }}:CL:{{ . }}{{/auth.extra_accounts.*}}
+auth strong
+allow {{ auth.login }}{{#auth.extra_accounts.*}},{{ * }}{{/auth.extra_accounts.*}}
+{{/auth.password=}}{{/auth.login=}}
 
-proxy -a -p3128
-socks -a -p1080
+proxy -a -p{{ ports.proxy }}
+socks -a -p{{ ports.socks }}
+
+flush{{^extra_config=}}
+
+# Additional configuration
+{{extra_config}}
+{{/extra_config=}}
 
-flush

CHANGELOG.md

@@ -4,6 +4,61 @@ All notable changes to this package will be documented in this file.
 
 The format is based on [Keep a Changelog][keepachangelog] and this project adheres to [Semantic Versioning][semver].
 
+## v1.9.0
+
+### Added
+
+- `EXTRA_CONFIG` environment variable is supported now [#47]
+
+[#47]:https://github.com/tarampampam/3proxy-docker/issues/47
+
+## v1.8.3
+
+### Fixed
+
+- Missing port definitions when `EXTRA_ACCOUNTS` is set
+
+## v1.8.2
+
+### Removed
+
+- `ppc64le` architecture support
+
+## v1.8.1
+
+### Added
+
+- Multi-arch image support (plus `arm64` and `ppc64le`) [#31]
+
+### Fixed
+
+- Error page colors now depend on the theme, and the text is centered [#31]
+
+[#31]:https://github.com/tarampampam/3proxy-docker/pull/31
+
+## v1.8.0
+
+### Added
+
+- `EXTRA_ACCOUNTS` environment variable is supported now [#28]
+
+[#28]:https://github.com/tarampampam/3proxy-docker/issues/28
+
+## v1.7.0
+
+### Added
+
+- The following environment variables are supported now: `MAX_CONNECTIONS`, `PROXY_PORT`, `SOCKS_PORT`
+
+### Changed
+
+- Entrypoint script (`bash`) replaced with [`mustpl`](https://github.com/tarampampam/mustpl)
+- The result docker image `busybox:1.34.1-glibc` replaced with `busybox:stable-glibc`
+
+### Removed
+
+- Dockerfile healthcheck
+
 ## v1.6.0
 
 ### Added

Dockerfile

@@ -1,5 +1,5 @@
 # Image page: <https://hub.docker.com/_/gcc>
-FROM gcc:12.1.0 as builder
+FROM gcc:13.2.0 as builder
 
 # renovate: source=github-tags name=z3APA3A/3proxy
 ARG Z3PROXY_VERSION=0.9.4
@@ -14,10 +14,12 @@ WORKDIR /tmp/3proxy
 RUN set -x \
     && echo '#define ANONYMOUS 1' >> ./src/3proxy.h \
     # proxy.c source: <https://github.com/z3APA3A/3proxy/blob/0.9.3/src/proxy.c>
-    && sed -i 's~\(<\/head>\)~<style>html,body{background-color:#222526;color:#fff;font-family:sans-serif;\
-text-align:center;display:flex;flex-direction:column;justify-content:center}h1,h2{margin-bottom:0;font-size:2.5em}\
-h2::before{content:'"'"'Proxy error'"'"';display:block;font-size:0.4em;color:#bbb;font-weight:100}\
-h3,p{color:#bbb}</style>\1~' ./src/proxy.c \
+    && sed -i 's~\(<\/head>\)~<style>:root{--color-bg-primary:#fff;--color-text-primary:#131313;--color-text-secondary:#232323}\
+@media (prefers-color-scheme: dark){:root{--color-bg-primary:#212121;--color-text-primary:#fafafa;--color-text-secondary:#bbb}}\
+html,body{height:100%;font-family:sans-serif;background-color:var(--color-bg-primary);color:var(--color-text-primary);margin:0;\
+padding:0;text-align:center}body{align-items:center;display:flex;justify-content:center;flex-direction:column;height:100vh}\
+h1,h2{margin-bottom:0;font-size:2.5em}h2::before{content:'"'"'Proxy error'"'"';display:block;font-size:.4em;\
+color:var(--color-text-secondary);font-weight:100}h3,p{color:var(--color-text-secondary)}</style>\1~' ./src/proxy.c \
     && cat ./src/proxy.c | grep '</head>'
 
 # And compile
@@ -34,7 +36,7 @@ RUN set -x \
     && strip ./bin/SSLPlugin.ld.so
 
 # Prepare filesystem for 3proxy running
-FROM busybox:1.34.1-glibc as buffer
+FROM alpine:latest as buffer
 
 # create a directory for the future root filesystem
 WORKDIR /tmp/rootfs
@@ -44,19 +46,23 @@ RUN set -x \
     && mkdir -p ./etc ./bin ./usr/local/3proxy/libexec ./etc/3proxy \
     && echo '3proxy:x:10001:10001::/nonexistent:/sbin/nologin' > ./etc/passwd \
     && echo '3proxy:x:10001:' > ./etc/group \
-    && wget -O ./bin/dumb-init "https://github.com/Yelp/dumb-init/releases/download/v1.2.5/dumb-init_1.2.5_x86_64" \
-    && chmod +x ./bin/dumb-init
+    && apk add --no-cache --virtual .build-deps curl ca-certificates \
+    && update-ca-certificates \
+    && curl -SsL -o ./bin/dumb-init "https://github.com/Yelp/dumb-init/releases/download/v1.2.5/dumb-init_1.2.5_$(arch)" \
+    && chmod +x ./bin/dumb-init \
+    && apk del .build-deps
 
-# Copy binaries
-COPY --from=builder /lib/x86_64-linux-gnu/libdl.so.* ./lib/
+COPY --from=builder /lib/*-linux-gnu/libdl.so.* ./lib/
 COPY --from=builder /tmp/3proxy/bin/3proxy ./bin/3proxy
 COPY --from=builder /tmp/3proxy/bin/*.ld.so ./usr/local/3proxy/libexec/
-COPY 3proxy.cfg ./etc/3proxy/3proxy.cfg
-COPY docker-entrypoint.sh ./docker-entrypoint.sh
+COPY --from=ghcr.io/tarampampam/mustpl:0.1.1 /bin/mustpl ./bin/mustpl
+COPY 3proxy.cfg.json ./etc/3proxy/3proxy.cfg.json
+COPY 3proxy.cfg.mustach ./etc/3proxy/3proxy.cfg.mustach
 
 RUN chown -R 10001:10001 ./etc/3proxy
 
-FROM busybox:1.34.1-glibc
+# Merge into a single layer
+FROM busybox:stable-glibc
 
 LABEL \
     org.opencontainers.image.title="3proxy" \
@@ -72,10 +78,12 @@ COPY --from=buffer /tmp/rootfs /
 # Use an unprivileged user
 USER 3proxy:3proxy
 
-# Docs: <https://docs.docker.com/engine/reference/builder/#healthcheck>
-HEALTHCHECK --interval=5s --timeout=2s --retries=2 --start-period=2s CMD \
-    netstat -ltn | grep 3128 && netstat -ltn | grep 1080
+ENTRYPOINT [ \
+    "/bin/mustpl", \
+    "-f", "/etc/3proxy/3proxy.cfg.json", \
+    "-o", "/etc/3proxy/3proxy.cfg", \
+    "/etc/3proxy/3proxy.cfg.mustach", \
+    "--", "/bin/dumb-init" \
+]
 
-ENTRYPOINT ["/bin/dumb-init", "--"]
-
-CMD ["/docker-entrypoint.sh", "/bin/3proxy", "/etc/3proxy/3proxy.cfg"]
+CMD ["/bin/3proxy", "/etc/3proxy/3proxy.cfg"]

README.md

@@ -25,18 +25,37 @@ TCP ports:
 
 ## Supported tags
 
-[![image stats](https://dockeri.co/image/tarampampam/3proxy)][link_docker_tags]
+| Registry                               | Image                        |
+|----------------------------------------|------------------------------|
+| [GitHub Container Registry][link_ghcr] | `ghcr.io/tarampampam/3proxy` |
+| [Docker Hub][link_docker_hub]          | `tarampampam/3proxy`         |
 
 All supported image tags [can be found here][link_docker_tags].
 
+Since v1.8.2 architecture `arm64` (and `amd64` of course) is supported:
+
+```shell
+$ docker run --rm mplatform/mquery ghcr.io/tarampampam/3proxy:1.8.2
+Image: ghcr.io/tarampampam/3proxy:1.8.2
+ * Manifest List: Yes (Image type: application/vnd.docker.distribution.manifest.list.v2+json)
+ * Supported platforms:
+   - linux/amd64
+   - linux/arm64
+```
+
 ## Supported environment variables
 
-| Variable name        | Description                         | Example                |
-|----------------------|-------------------------------------|------------------------|
-| `PROXY_LOGIN`        | Authorization login                 | `username`             |
-| `PROXY_PASSWORD`     | Authorization password              | `password`             |
-| `PRIMARY_RESOLVER`   | Primary nameserver (dns resolver)   | `8.8.8.8`              |
-| `SECONDARY_RESOLVER` | Secondary nameserver (dns resolver) | `2001:4860:4860::8844` |
+| Variable name        | Description                                                                       | Example                           |
+|----------------------|-----------------------------------------------------------------------------------|-----------------------------------|
+| `PROXY_LOGIN`        | Authorization login (empty by default)                                            | `username`                        |
+| `PROXY_PASSWORD`     | Authorization password (empty by default)                                         | `password`                        |
+| `EXTRA_ACCOUNTS`     | Additional proxy users                                                            | `{"evil":"live", "guest":"pass"}` |
+| `PRIMARY_RESOLVER`   | Primary nameserver (dns resolver; `1.0.0.1` by default)                           | `8.8.8.8:5353/tcp`                |
+| `SECONDARY_RESOLVER` | Secondary nameserver (dns resolver; `8.8.4.4` by default)                         | `2001:4860:4860::8844`            |
+| `MAX_CONNECTIONS`    | Maximal connections count (`1024` by default)                                     | `2056`                            |
+| `PROXY_PORT`         | HTTP proxy port number (`3128` by default)                                        | `8080`                            |
+| `SOCKS_PORT`         | SOCKS proxy port number (`1080` by default)                                       | `8888`                            |
+| `EXTRA_CONFIG`       | Additional 3proxy configuration (will be added to the **end** of the config file) | `log /dev/stdout`                 |
 
 ## How can I use this?
 
@@ -46,7 +65,7 @@ For example:
 $ docker run --rm -d \
     -p "3128:3128/tcp" \
     -p "1080:1080/tcp" \
-    tarampampam/3proxy:latest
+    ghcr.io/tarampampam/3proxy:latest
 ```
 
 Or with auth & resolver settings:
@@ -58,7 +77,7 @@ $ docker run --rm -d \
     -e "PROXY_LOGIN=evil" \
     -e "PROXY_PASSWORD=live" \
     -e "PRIMARY_RESOLVER=2001:4860:4860::8888" \
-    tarampampam/3proxy:latest
+    ghcr.io/tarampampam/3proxy:latest
 ```
 
 ## Releasing
@@ -81,14 +100,14 @@ Changes log can be [found here][link_changes_log].
 [![Issues][badge_issues]][link_issues]
 [![Issues][badge_pulls]][link_pulls]
 
-If you will find any package errors, please, [make an issue][link_create_issue] in current repository.
+If you find any errors, please, [make an issue][link_create_issue] in current repository.
 
 ## License
 
 WTFPL. Use anywhere for your pleasure.
 
-[badge_build_status]:https://img.shields.io/github/workflow/status/tarampampam/3proxy-docker/tests/master?logo=github&label=build
-[badge_release_status]:https://img.shields.io/github/workflow/status/tarampampam/3proxy-docker/release?logo=github&label=release
+[badge_build_status]:https://img.shields.io/github/actions/workflow/status/tarampampam/3proxy-docker/tests.yml?branch=master&logo=github&label=build
+[badge_release_status]:https://img.shields.io/github/actions/workflow/status/tarampampam/3proxy-docker/release.yml?logo=github&label=release
 [badge_release_date]:https://img.shields.io/github/release-date/tarampampam/3proxy-docker.svg?style=flat-square&maxAge=180
 [badge_commits_since_release]:https://img.shields.io/github/commits-since/tarampampam/3proxy-docker/latest.svg?style=flat-square&maxAge=180
 [badge_issues]:https://img.shields.io/github/issues/tarampampam/3proxy-docker.svg?style=flat-square&maxAge=180
@@ -106,4 +125,5 @@ WTFPL. Use anywhere for your pleasure.
 [link_license]:https://github.com/tarampampam/3proxy-docker/blob/master/LICENSE
 [link_docker_tags]:https://hub.docker.com/r/tarampampam/3proxy/tags
 [link_docker_hub]:https://hub.docker.com/r/tarampampam/3proxy/
+[link_ghcr]:https://github.com/tarampampam/3proxy-docker/pkgs/container/3proxy
 [link_3proxy]:https://github.com/z3APA3A/3proxy

docker-entrypoint.sh

@@ -1,24 +0,0 @@
-#!/bin/sh
-set -e
-
-PROXY_LOGIN=${PROXY_LOGIN:-} # string
-PROXY_PASSWORD=${PROXY_PASSWORD:-} # string
-PRIMARY_RESOLVER=${PRIMARY_RESOLVER:-} # string
-SECONDARY_RESOLVER=${SECONDARY_RESOLVER:-} # string
-
-if [ -n "$PROXY_LOGIN" ] && [ -n "$PROXY_PASSWORD" ]; then
-  echo "$0: setup '${PROXY_LOGIN}:${PROXY_PASSWORD}' as proxy user";
-  sed -i "s~#AUTH_SETTINGS~users ${PROXY_LOGIN}:CL:${PROXY_PASSWORD}\nauth strong\nallow ${PROXY_LOGIN}~" /etc/3proxy/3proxy.cfg
-fi;
-
-if [ -n "$PRIMARY_RESOLVER" ]; then
-  echo "$0: setup '${PRIMARY_RESOLVER}' as the first nameserver";
-  sed -i "s~#NSERVER1~nserver ${PRIMARY_RESOLVER}~" /etc/3proxy/3proxy.cfg
-fi;
-
-if [ -n "$SECONDARY_RESOLVER" ]; then
-  echo "$0: setup '${SECONDARY_RESOLVER}' as the second nameserver";
-  sed -i "s~#NSERVER2~nserver ${SECONDARY_RESOLVER}~" /etc/3proxy/3proxy.cfg
-fi;
-
-exec "$@"