Add initial Dockerfile and github build actions.

Author: hamedsafari

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "docker"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/build.yml

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+name: Build and Push Docker Images
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push the tinyproxy image
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ghcr.io/querateam/docker-tinyproxy:latest

Dockerfile

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+FROM alpine:latest
+WORKDIR /app
+RUN apk add --no-cache tinyproxy curl
+COPY run.sh /app/run.sh
+EXPOSE 8888
+ENTRYPOINT ["/bin/sh", "/app/run.sh"]

run.sh

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+#!/bin/sh
+
+CONFIG_FILE="/etc/tinyproxy/tinyproxy.conf"
+FILTER_FILE="/etc/tinyproxy/filter"
+
+sed -i "s|^Allow |#Allow |" "$CONFIG_FILE"
+
+if [ ! -z $ALLOWED_HOSTS ]; then
+  sed -i "s|^#Filter .*|Filter \"${FILTER_FILE}\"|" "$CONFIG_FILE"
+  sed -i "s|^#FilterDefaultDeny .*|FilterDefaultDeny Yes|" "$CONFIG_FILE"
+
+  touch $FILTER_FILE
+  for host in $(echo $ALLOWED_HOSTS | tr ',' '\n'); do
+    echo "$host" >> "$FILTER_FILE"
+  done
+fi
+
+exec tinyproxy -d -c $CONFIG_FILE