Add Dockerfile, compose file and Gitea Actions workflow

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,9 @@
+.git
+.gitea
+__pycache__
+config.json
+users.json
+sessions.json
+progress*.json
+*.tmp
+README.md

.gitea/workflows/build.yml

@@ -0,0 +1,47 @@
+name: build
+
+on:
+  push:
+    branches: [main]
+    tags: ["v*"]
+  pull_request:
+
+env:
+  REGISTRY: git.necloud.us
+  IMAGE: git.necloud.us/nate/audiobook-player
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Syntax check
+        run: python3 -m py_compile server.py
+      - name: Check the page script parses
+        run: |
+          python3 - <<'PY'
+          import re
+          open("/tmp/page.js", "w").write(re.search(r"<script>(.*)</script>", open("index.html").read(), re.S).group(1))
+          PY
+          node --check /tmp/page.js
+
+  image:
+    needs: check
+    if: github.event_name != 'pull_request'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Log in to the Gitea container registry
+        run: echo "${{ secrets.REGISTRY_TOKEN }}" | docker login "$REGISTRY" -u "${{ gitea.actor }}" --password-stdin
+      - name: Build
+        run: docker build -t "$IMAGE:${{ gitea.sha }}" -t "$IMAGE:latest" .
+      - name: Smoke test (server refuses to start without accounts, but must import and print usage)
+        run: docker run --rm "$IMAGE:latest" python server.py users
+      - name: Push
+        run: |
+          docker push "$IMAGE:${{ gitea.sha }}"
+          docker push "$IMAGE:latest"
+          if [ "${{ gitea.ref_type }}" = "tag" ]; then
+            docker tag "$IMAGE:latest" "$IMAGE:${{ gitea.ref_name }}"
+            docker push "$IMAGE:${{ gitea.ref_name }}"
+          fi

Dockerfile

@@ -0,0 +1,12 @@
+FROM python:3.13-slim
+
+ENV PYTHONUNBUFFERED=1 DATA_DIR=/data PORT=8080
+RUN useradd --system --uid 10001 --home /app app && mkdir /data && chown app /data
+WORKDIR /app
+COPY server.py index.html ./
+USER app
+VOLUME /data
+EXPOSE 8080
+HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
+  CMD python -c "import urllib.request,os;urllib.request.urlopen('http://127.0.0.1:%s/login'%os.environ['PORT'])" || exit 1
+CMD ["python", "server.py", "serve"]

docker-compose.yml

@@ -0,0 +1,17 @@
+services:
+  audiobook-player:
+    image: git.necloud.us/nate/audiobook-player:latest
+    # build: .          # uncomment to build locally instead of pulling
+    container_name: audiobook-player
+    restart: unless-stopped
+    ports:
+      - "8080:8080"
+    environment:
+      OPENAUDIBLE_URL: http://172.16.16.106:8000
+      OPENAUDIBLE_USER: ${OPENAUDIBLE_USER}          # put these in a .env file next to this one
+      OPENAUDIBLE_PASSWORD: ${OPENAUDIBLE_PASSWORD}
+    volumes:
+      - player-data:/data    # accounts, sessions, listening progress
+
+volumes:
+  player-data:

server.py

@@ -29,11 +29,12 @@ from http.cookies import SimpleCookie
 from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
 
 HERE = os.path.dirname(os.path.abspath(__file__))
-F_CONFIG = os.path.join(HERE, "config.json")        # OpenAudible login (chmod 600)
-F_USERS = os.path.join(HERE, "users.json")          # name -> salted scrypt hash
-F_SESSIONS = os.path.join(HERE, "sessions.json")    # token hash -> {user, exp}
-F_PROGRESS = os.path.join(HERE, "progress_users.json")
-F_LEGACY = os.path.join(HERE, "progress.json")      # single-user file from the first version
+DATA = os.environ.get("DATA_DIR", HERE)  # where accounts/progress live (a volume in Docker)
+F_CONFIG = os.path.join(DATA, "config.json")        # OpenAudible login (chmod 600)
+F_USERS = os.path.join(DATA, "users.json")          # name -> salted scrypt hash
+F_SESSIONS = os.path.join(DATA, "sessions.json")    # token hash -> {user, exp}
+F_PROGRESS = os.path.join(DATA, "progress_users.json")
+F_LEGACY = os.path.join(DATA, "progress.json")      # single-user file from the first version
 COOKIE = "oa_session"
 SESSION_DAYS = 90
 
@@ -79,6 +80,12 @@ def check_pw(password, rec):
     return hmac.compare_digest(h, rec["hash"])
 
 
+def oa_login():
+    """OpenAudible credentials: env vars win over config.json (handy for containers)."""
+    cfg = read(F_CONFIG, {})
+    return os.environ.get("OPENAUDIBLE_USER") or cfg.get("user"), os.environ.get("OPENAUDIBLE_PASSWORD") or cfg.get("password", "")
+
+
 def sha(token):
     return hashlib.sha256(token.encode()).hexdigest()
 
@@ -272,10 +279,10 @@ class Handler(BaseHTTPRequestHandler):
         self.end_headers()
 
     def proxy(self):
-        cfg = read(F_CONFIG, {})
+        oa_user, oa_pass = oa_login()
         req = urllib.request.Request(self.upstream + self.path)
-        if cfg.get("user"):
-            cred = base64.b64encode(f"{cfg['user']}:{cfg.get('password', '')}".encode()).decode()
+        if oa_user:
+            cred = base64.b64encode(f"{oa_user}:{oa_pass}".encode()).decode()
             req.add_header("Authorization", "Basic " + cred)
         for h in PASS_HEADERS:
             if self.headers.get(h):
@@ -306,14 +313,14 @@ class Handler(BaseHTTPRequestHandler):
 
 def serve(argv):
     ap = argparse.ArgumentParser()
-    ap.add_argument("--upstream", default="http://172.16.16.106:8000")
-    ap.add_argument("--port", type=int, default=8080)
+    ap.add_argument("--upstream", default=os.environ.get("OPENAUDIBLE_URL", "http://172.16.16.106:8000"))
+    ap.add_argument("--port", type=int, default=int(os.environ.get("PORT", 8080)))
     ap.add_argument("--host", default="0.0.0.0")
     a = ap.parse_args(argv)
     if not read(F_USERS, {}):
         sys.exit("No accounts yet. Run: python3 server.py adduser YOURNAME")
-    if not read(F_CONFIG, {}).get("user"):
-        print("Note: no OpenAudible login saved. Run `python3 server.py setup` first.")
+    if not oa_login()[0]:
+        print("Note: no OpenAudible login set. Run `python3 server.py setup` or set OPENAUDIBLE_USER/OPENAUDIBLE_PASSWORD.")
     Handler.upstream = a.upstream.rstrip("/")
     print(f"Player: http://localhost:{a.port}  (OpenAudible at {Handler.upstream})")
     ThreadingHTTPServer((a.host, a.port), Handler).serve_forever()