Dockerfile

# syntax=docker/dockerfile:1.4

# Stage 1: UI Builder
FROM --platform=$BUILDPLATFORM node:18-alpine as ui-builder

WORKDIR /app
COPY ui/ ./

RUN rm -rf node_modules; \
    yarn install --frozen-lockfile --non-interactive; \
    yarn build

# Stage 2: Go Builder
FROM --platform=$TARGETPLATFORM golang:1.22-alpine as go-builder

ARG LDFLAGS
ARG TARGETOS
ARG TARGETARCH

WORKDIR /app
COPY . .

RUN go mod download && rm -rf frontend/assets
COPY --from=ui-builder /app/dist/ ./internal/frontend/assets/

RUN GOOS=$TARGETOS GOARCH=$TARGETARCH go build -ldflags="${LDFLAGS}" -o ./bin/dagu .

# Stage 3: Final Image
FROM --platform=$TARGETPLATFORM alpine:latest

ARG USER="dagu"
ARG USER_UID=1000
ARG USER_GID=$USER_UID

# Create user and set permissions
RUN apk update; \
    apk add --no-cache sudo tzdata; \
    addgroup -g ${USER_GID} ${USER}; \
    adduser ${USER} -h /home/${USER} -u ${USER_UID} -G ${USER} -D -s /bin/ash; \
    echo ${USER} ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/${USER}; \
    chmod 0440 /etc/sudoers.d/${USER};

USER ${USER}
WORKDIR /home/${USER}

COPY --from=go-builder /app/bin/dagu /usr/local/bin/

RUN mkdir -p .config/dagu/dags

# Add the hello_world.yaml file
COPY <<EOF .config/dagu/dags/hello_world.yaml
schedule: "* * * * *"
steps:
  - name: hello world
    command: sh
    script: |
      echo "Hello, world!"
EOF

ENV DAGU_HOST=0.0.0.0
ENV DAGU_PORT=8080

EXPOSE 8080

CMD ["dagu", "start-all"]